Home / 2,586,420,068.70-3,879,630,103.05-746,232,779.10

Finding the Fourth Proportional to 2,586,420,068.70, 3,879,630,103.05 and 746,232,779.10

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Solution

The fourth proportional to 2,586,420,068.70, 3,879,630,103.05 and 746,232,779.10 is: 1,119,349,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,420,068.70 : 3,879,630,103.05 = 746,232,779.10 : x
  2. Step 2: Convert to fraction form
    2,586,420,068.70/3,879,630,103.05 = 746,232,779.10/x
  3. Step 3: Cross multiply
    2,586,420,068.70x = 3,879,630,103.05 × 746,232,779.10
  4. Step 4: Simplify right side
    2,586,420,068.70x = 2,895,107,153,679,021,056
  5. Step 5: Solve for x
    x = 2,895,107,153,679,021,056/2,586,420,068.70
  6. Step 6: Final answer
    x = 1,119,349,168.65

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Half scale
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Double scale
Find fourth proportional to 2,586,420,069.70, 3,879,630,104.55 and 746,232,780.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.