Home / 610,848,020.40-914,928,337.80-542,767,585.20

Finding the Fourth Proportional to 610,848,020.40, 914,928,337.80 and 542,767,585.20

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Solution

The fourth proportional to 610,848,020.40, 914,928,337.80 and 542,767,585.20 is: 812,957,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,848,020.40 : 914,928,337.80 = 542,767,585.20 : x
  2. Step 2: Convert to fraction form
    610,848,020.40/914,928,337.80 = 542,767,585.20/x
  3. Step 3: Cross multiply
    610,848,020.40x = 914,928,337.80 × 542,767,585.20
  4. Step 4: Simplify right side
    610,848,020.40x = 496,593,444,538,755,904
  5. Step 5: Solve for x
    x = 496,593,444,538,755,904/610,848,020.40
  6. Step 6: Final answer
    x = 812,957,442.69

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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.