Home / 870,492,883.98-1,304,531,294.33-396,633,879.62

Finding the Fourth Proportional to 870,492,883.98, 1,304,531,294.33 and 396,633,879.62

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Solution

The fourth proportional to 870,492,883.98, 1,304,531,294.33 and 396,633,879.62 is: 594,400,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,492,883.98 : 1,304,531,294.33 = 396,633,879.62 : x
  2. Step 2: Convert to fraction form
    870,492,883.98/1,304,531,294.33 = 396,633,879.62/x
  3. Step 3: Cross multiply
    870,492,883.98x = 1,304,531,294.33 × 396,633,879.62
  4. Step 4: Simplify right side
    870,492,883.98x = 517,421,308,347,302,208
  5. Step 5: Solve for x
    x = 517,421,308,347,302,208/870,492,883.98
  6. Step 6: Final answer
    x = 594,400,388.41

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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.