Home / 870,492,882.48-1,304,531,292.08-396,633,878.11

Finding the Fourth Proportional to 870,492,882.48, 1,304,531,292.08 and 396,633,878.11

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Solution

The fourth proportional to 870,492,882.48, 1,304,531,292.08 and 396,633,878.11 is: 594,400,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,492,882.48 : 1,304,531,292.08 = 396,633,878.11 : x
  2. Step 2: Convert to fraction form
    870,492,882.48/1,304,531,292.08 = 396,633,878.11/x
  3. Step 3: Cross multiply
    870,492,882.48x = 1,304,531,292.08 × 396,633,878.11
  4. Step 4: Simplify right side
    870,492,882.48x = 517,421,305,494,694,208
  5. Step 5: Solve for x
    x = 517,421,305,494,694,208/870,492,882.48
  6. Step 6: Final answer
    x = 594,400,386.16

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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.