Home / 407,930,884.16-562,941,503.52-222,291,325.76

Finding the Fourth Proportional to 407,930,884.16, 562,941,503.52 and 222,291,325.76

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Solution

The fourth proportional to 407,930,884.16, 562,941,503.52 and 222,291,325.76 is: 306,760,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,930,884.16 : 562,941,503.52 = 222,291,325.76 : x
  2. Step 2: Convert to fraction form
    407,930,884.16/562,941,503.52 = 222,291,325.76/x
  3. Step 3: Cross multiply
    407,930,884.16x = 562,941,503.52 × 222,291,325.76
  4. Step 4: Simplify right side
    407,930,884.16x = 125,137,013,142,788,496
  5. Step 5: Solve for x
    x = 125,137,013,142,788,496/407,930,884.16
  6. Step 6: Final answer
    x = 306,760,331.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.