Home / 1,098,145,564.74-1,647,217,025.16-280,257,953.22

Finding the Fourth Proportional to 1,098,145,564.74, 1,647,217,025.16 and 280,257,953.22

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Solution

The fourth proportional to 1,098,145,564.74, 1,647,217,025.16 and 280,257,953.22 is: 420,386,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,145,564.74 : 1,647,217,025.16 = 280,257,953.22 : x
  2. Step 2: Convert to fraction form
    1,098,145,564.74/1,647,217,025.16 = 280,257,953.22/x
  3. Step 3: Cross multiply
    1,098,145,564.74x = 1,647,217,025.16 × 280,257,953.22
  4. Step 4: Simplify right side
    1,098,145,564.74x = 461,645,671,980,478,912
  5. Step 5: Solve for x
    x = 461,645,671,980,478,912/1,098,145,564.74
  6. Step 6: Final answer
    x = 420,386,592.45

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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.