Home / 347,736,977.40-521,605,466.10-342,635,143.80

Finding the Fourth Proportional to 347,736,977.40, 521,605,466.10 and 342,635,143.80

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Solution

The fourth proportional to 347,736,977.40, 521,605,466.10 and 342,635,143.80 is: 513,952,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,977.40 : 521,605,466.10 = 342,635,143.80 : x
  2. Step 2: Convert to fraction form
    347,736,977.40/521,605,466.10 = 342,635,143.80/x
  3. Step 3: Cross multiply
    347,736,977.40x = 521,605,466.10 × 342,635,143.80
  4. Step 4: Simplify right side
    347,736,977.40x = 178,720,363,884,039,552
  5. Step 5: Solve for x
    x = 178,720,363,884,039,552/347,736,977.40
  6. Step 6: Final answer
    x = 513,952,715.70

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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.