Home / 298,219,788,641.28-447,331,355,251.46-99,472,532,171.52

Finding the Fourth Proportional to 298,219,788,641.28, 447,331,355,251.46 and 99,472,532,171.52

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Solution

The fourth proportional to 298,219,788,641.28, 447,331,355,251.46 and 99,472,532,171.52 is: 149,209,356,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,219,788,641.28 : 447,331,355,251.46 = 99,472,532,171.52 : x
  2. Step 2: Convert to fraction form
    298,219,788,641.28/447,331,355,251.46 = 99,472,532,171.52/x
  3. Step 3: Cross multiply
    298,219,788,641.28x = 447,331,355,251.46 × 99,472,532,171.52
  4. Step 4: Simplify right side
    298,219,788,641.28x = 44,497,182,626,580,501,889,024
  5. Step 5: Solve for x
    x = 44,497,182,626,580,501,889,024/298,219,788,641.28
  6. Step 6: Final answer
    x = 149,209,356,056.87

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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.