Home / 512,500,346.60-707,241,737.06-277,549,097.96

Finding the Fourth Proportional to 512,500,346.60, 707,241,737.06 and 277,549,097.96

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Solution

The fourth proportional to 512,500,346.60, 707,241,737.06 and 277,549,097.96 is: 383,013,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,500,346.60 : 707,241,737.06 = 277,549,097.96 : x
  2. Step 2: Convert to fraction form
    512,500,346.60/707,241,737.06 = 277,549,097.96/x
  3. Step 3: Cross multiply
    512,500,346.60x = 707,241,737.06 × 277,549,097.96
  4. Step 4: Simplify right side
    512,500,346.60x = 196,294,306,160,666,464
  5. Step 5: Solve for x
    x = 196,294,306,160,666,464/512,500,346.60
  6. Step 6: Final answer
    x = 383,013,021.28

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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.