Home / 870,994,711.20-1,306,492,066.80-296,566,039.20

Finding the Fourth Proportional to 870,994,711.20, 1,306,492,066.80 and 296,566,039.20

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Solution

The fourth proportional to 870,994,711.20, 1,306,492,066.80 and 296,566,039.20 is: 444,849,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,994,711.20 : 1,306,492,066.80 = 296,566,039.20 : x
  2. Step 2: Convert to fraction form
    870,994,711.20/1,306,492,066.80 = 296,566,039.20/x
  3. Step 3: Cross multiply
    870,994,711.20x = 1,306,492,066.80 × 296,566,039.20
  4. Step 4: Simplify right side
    870,994,711.20x = 387,461,177,497,097,792
  5. Step 5: Solve for x
    x = 387,461,177,497,097,792/870,994,711.20
  6. Step 6: Final answer
    x = 444,849,058.80

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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.