Home / 610,569,919.20-842,509,830.96-412,761,715.68

Finding the Fourth Proportional to 610,569,919.20, 842,509,830.96 and 412,761,715.68

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Solution

The fourth proportional to 610,569,919.20, 842,509,830.96 and 412,761,715.68 is: 569,559,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,569,919.20 : 842,509,830.96 = 412,761,715.68 : x
  2. Step 2: Convert to fraction form
    610,569,919.20/842,509,830.96 = 412,761,715.68/x
  3. Step 3: Cross multiply
    610,569,919.20x = 842,509,830.96 × 412,761,715.68
  4. Step 4: Simplify right side
    610,569,919.20x = 347,755,803,304,316,416
  5. Step 5: Solve for x
    x = 347,755,803,304,316,416/610,569,919.20
  6. Step 6: Final answer
    x = 569,559,345.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.