Home / 870,966,083.20-1,306,449,124.80-296,537,411.20

Finding the Fourth Proportional to 870,966,083.20, 1,306,449,124.80 and 296,537,411.20

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Solution

The fourth proportional to 870,966,083.20, 1,306,449,124.80 and 296,537,411.20 is: 444,806,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,966,083.20 : 1,306,449,124.80 = 296,537,411.20 : x
  2. Step 2: Convert to fraction form
    870,966,083.20/1,306,449,124.80 = 296,537,411.20/x
  3. Step 3: Cross multiply
    870,966,083.20x = 1,306,449,124.80 × 296,537,411.20
  4. Step 4: Simplify right side
    870,966,083.20x = 387,411,041,332,697,664
  5. Step 5: Solve for x
    x = 387,411,041,332,697,664/870,966,083.20
  6. Step 6: Final answer
    x = 444,806,116.80

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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.