Home / 913,557,565.33-1,260,676,819.96-517,072,041.92

Finding the Fourth Proportional to 913,557,565.33, 1,260,676,819.96 and 517,072,041.92

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Solution

The fourth proportional to 913,557,565.33, 1,260,676,819.96 and 517,072,041.92 is: 713,540,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,557,565.33 : 1,260,676,819.96 = 517,072,041.92 : x
  2. Step 2: Convert to fraction form
    913,557,565.33/1,260,676,819.96 = 517,072,041.92/x
  3. Step 3: Cross multiply
    913,557,565.33x = 1,260,676,819.96 × 517,072,041.92
  4. Step 4: Simplify right side
    913,557,565.33x = 651,860,737,499,788,416
  5. Step 5: Solve for x
    x = 651,860,737,499,788,416/913,557,565.33
  6. Step 6: Final answer
    x = 713,540,954.88

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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.