Home / 5,280,768,372.70-7,921,152,559.05-1,600,456,779.10

Finding the Fourth Proportional to 5,280,768,372.70, 7,921,152,559.05 and 1,600,456,779.10

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Solution

The fourth proportional to 5,280,768,372.70, 7,921,152,559.05 and 1,600,456,779.10 is: 2,400,685,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,768,372.70 : 7,921,152,559.05 = 1,600,456,779.10 : x
  2. Step 2: Convert to fraction form
    5,280,768,372.70/7,921,152,559.05 = 1,600,456,779.10/x
  3. Step 3: Cross multiply
    5,280,768,372.70x = 7,921,152,559.05 × 1,600,456,779.10
  4. Step 4: Simplify right side
    5,280,768,372.70x = 12,677,462,311,416,885,248
  5. Step 5: Solve for x
    x = 12,677,462,311,416,885,248/5,280,768,372.70
  6. Step 6: Final answer
    x = 2,400,685,168.65

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Double scale
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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.