Home / 941,058,978.12-1,298,654,222.96-517,663,545.60

Finding the Fourth Proportional to 941,058,978.12, 1,298,654,222.96 and 517,663,545.60

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Solution

The fourth proportional to 941,058,978.12, 1,298,654,222.96 and 517,663,545.60 is: 714,371,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,058,978.12 : 1,298,654,222.96 = 517,663,545.60 : x
  2. Step 2: Convert to fraction form
    941,058,978.12/1,298,654,222.96 = 517,663,545.60/x
  3. Step 3: Cross multiply
    941,058,978.12x = 1,298,654,222.96 × 517,663,545.60
  4. Step 4: Simplify right side
    941,058,978.12x = 672,265,949,565,886,592
  5. Step 5: Solve for x
    x = 672,265,949,565,886,592/941,058,978.12
  6. Step 6: Final answer
    x = 714,371,750.55

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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.