Home / 434,538,843.60-651,808,265.40-204,956,331.60

Finding the Fourth Proportional to 434,538,843.60, 651,808,265.40 and 204,956,331.60

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Solution

The fourth proportional to 434,538,843.60, 651,808,265.40 and 204,956,331.60 is: 307,434,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,538,843.60 : 651,808,265.40 = 204,956,331.60 : x
  2. Step 2: Convert to fraction form
    434,538,843.60/651,808,265.40 = 204,956,331.60/x
  3. Step 3: Cross multiply
    434,538,843.60x = 651,808,265.40 × 204,956,331.60
  4. Step 4: Simplify right side
    434,538,843.60x = 133,592,230,982,943,200
  5. Step 5: Solve for x
    x = 133,592,230,982,943,200/434,538,843.60
  6. Step 6: Final answer
    x = 307,434,497.40

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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.