Home / 1,125,773,423.22-1,688,320,154.02-338,618,115.85

Finding the Fourth Proportional to 1,125,773,423.22, 1,688,320,154.02 and 338,618,115.85

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Solution

The fourth proportional to 1,125,773,423.22, 1,688,320,154.02 and 338,618,115.85 is: 507,824,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,773,423.22 : 1,688,320,154.02 = 338,618,115.85 : x
  2. Step 2: Convert to fraction form
    1,125,773,423.22/1,688,320,154.02 = 338,618,115.85/x
  3. Step 3: Cross multiply
    1,125,773,423.22x = 1,688,320,154.02 × 338,618,115.85
  4. Step 4: Simplify right side
    1,125,773,423.22x = 571,695,789,500,123,520
  5. Step 5: Solve for x
    x = 571,695,789,500,123,520/1,125,773,423.22
  6. Step 6: Final answer
    x = 507,824,911.93

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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.