Home / 478,300,372.80-717,450,559.20-133,307,246.40

Finding the Fourth Proportional to 478,300,372.80, 717,450,559.20 and 133,307,246.40

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Solution

The fourth proportional to 478,300,372.80, 717,450,559.20 and 133,307,246.40 is: 199,960,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,300,372.80 : 717,450,559.20 = 133,307,246.40 : x
  2. Step 2: Convert to fraction form
    478,300,372.80/717,450,559.20 = 133,307,246.40/x
  3. Step 3: Cross multiply
    478,300,372.80x = 717,450,559.20 × 133,307,246.40
  4. Step 4: Simplify right side
    478,300,372.80x = 95,641,358,475,092,192
  5. Step 5: Solve for x
    x = 95,641,358,475,092,192/478,300,372.80
  6. Step 6: Final answer
    x = 199,960,869.60

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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.