Home / 434,560,557.60-651,840,836.40-204,978,045.60

Finding the Fourth Proportional to 434,560,557.60, 651,840,836.40 and 204,978,045.60

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Solution

The fourth proportional to 434,560,557.60, 651,840,836.40 and 204,978,045.60 is: 307,467,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,560,557.60 : 651,840,836.40 = 204,978,045.60 : x
  2. Step 2: Convert to fraction form
    434,560,557.60/651,840,836.40 = 204,978,045.60/x
  3. Step 3: Cross multiply
    434,560,557.60x = 651,840,836.40 × 204,978,045.60
  4. Step 4: Simplify right side
    434,560,557.60x = 133,613,060,687,541,328
  5. Step 5: Solve for x
    x = 133,613,060,687,541,328/434,560,557.60
  6. Step 6: Final answer
    x = 307,467,068.40

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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.