Home / 987,113,266.92-1,480,654,953.71-240,136,072.70

Finding the Fourth Proportional to 987,113,266.92, 1,480,654,953.71 and 240,136,072.70

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Solution

The fourth proportional to 987,113,266.92, 1,480,654,953.71 and 240,136,072.70 is: 360,200,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,113,266.92 : 1,480,654,953.71 = 240,136,072.70 : x
  2. Step 2: Convert to fraction form
    987,113,266.92/1,480,654,953.71 = 240,136,072.70/x
  3. Step 3: Cross multiply
    987,113,266.92x = 1,480,654,953.71 × 240,136,072.70
  4. Step 4: Simplify right side
    987,113,266.92x = 355,558,665,604,876,096
  5. Step 5: Solve for x
    x = 355,558,665,604,876,096/987,113,266.92
  6. Step 6: Final answer
    x = 360,200,472.96

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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.