Home / 482,718,139.80-724,077,209.70-289,226,376.60

Finding the Fourth Proportional to 482,718,139.80, 724,077,209.70 and 289,226,376.60

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Solution

The fourth proportional to 482,718,139.80, 724,077,209.70 and 289,226,376.60 is: 433,839,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,718,139.80 : 724,077,209.70 = 289,226,376.60 : x
  2. Step 2: Convert to fraction form
    482,718,139.80/724,077,209.70 = 289,226,376.60/x
  3. Step 3: Cross multiply
    482,718,139.80x = 724,077,209.70 × 289,226,376.60
  4. Step 4: Simplify right side
    482,718,139.80x = 209,422,227,740,169,408
  5. Step 5: Solve for x
    x = 209,422,227,740,169,408/482,718,139.80
  6. Step 6: Final answer
    x = 433,839,564.90

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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.