Home / 28,143,960,516.68-42,223,086,411.14-13,028,427,289.76

Finding the Fourth Proportional to 28,143,960,516.68, 42,223,086,411.14 and 13,028,427,289.76

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Solution

The fourth proportional to 28,143,960,516.68, 42,223,086,411.14 and 13,028,427,289.76 is: 19,545,948,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,143,960,516.68 : 42,223,086,411.14 = 13,028,427,289.76 : x
  2. Step 2: Convert to fraction form
    28,143,960,516.68/42,223,086,411.14 = 13,028,427,289.76/x
  3. Step 3: Cross multiply
    28,143,960,516.68x = 42,223,086,411.14 × 13,028,427,289.76
  4. Step 4: Simplify right side
    28,143,960,516.68x = 550,100,411,256,618,876,928
  5. Step 5: Solve for x
    x = 550,100,411,256,618,876,928/28,143,960,516.68
  6. Step 6: Final answer
    x = 19,545,948,798.88

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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.