Home / 527,652,005.10-791,478,007.65-442,999,358.70

Finding the Fourth Proportional to 527,652,005.10, 791,478,007.65 and 442,999,358.70

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Solution

The fourth proportional to 527,652,005.10, 791,478,007.65 and 442,999,358.70 is: 664,499,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,652,005.10 : 791,478,007.65 = 442,999,358.70 : x
  2. Step 2: Convert to fraction form
    527,652,005.10/791,478,007.65 = 442,999,358.70/x
  3. Step 3: Cross multiply
    527,652,005.10x = 791,478,007.65 × 442,999,358.70
  4. Step 4: Simplify right side
    527,652,005.10x = 350,624,249,814,103,680
  5. Step 5: Solve for x
    x = 350,624,249,814,103,680/527,652,005.10
  6. Step 6: Final answer
    x = 664,499,038.05

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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.