Home / 1,230,689,519.10-1,845,586,381.05-617,069,807.10

Finding the Fourth Proportional to 1,230,689,519.10, 1,845,586,381.05 and 617,069,807.10

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Solution

The fourth proportional to 1,230,689,519.10, 1,845,586,381.05 and 617,069,807.10 is: 925,380,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,689,519.10 : 1,845,586,381.05 = 617,069,807.10 : x
  2. Step 2: Convert to fraction form
    1,230,689,519.10/1,845,586,381.05 = 617,069,807.10/x
  3. Step 3: Cross multiply
    1,230,689,519.10x = 1,845,586,381.05 × 617,069,807.10
  4. Step 4: Simplify right side
    1,230,689,519.10x = 1,138,855,632,140,910,592
  5. Step 5: Solve for x
    x = 1,138,855,632,140,910,592/1,230,689,519.10
  6. Step 6: Final answer
    x = 925,380,134.04

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Double scale
Find fourth proportional to 1,230,689,520.10, 1,845,586,382.55 and 617,069,808.10
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.