Home / 1,492,947,158.70-2,239,337,034-457,805,197.92

Finding the Fourth Proportional to 1,492,947,158.70, 2,239,337,034 and 457,805,197.92

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Solution

The fourth proportional to 1,492,947,158.70, 2,239,337,034 and 457,805,197.92 is: 686,682,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,947,158.70 : 2,239,337,034 = 457,805,197.92 : x
  2. Step 2: Convert to fraction form
    1,492,947,158.70/2,239,337,034 = 457,805,197.92/x
  3. Step 3: Cross multiply
    1,492,947,158.70x = 2,239,337,034 × 457,805,197.92
  4. Step 4: Simplify right side
    1,492,947,158.70x = 1,025,180,134,059,955,840
  5. Step 5: Solve for x
    x = 1,025,180,134,059,955,840/1,492,947,158.70
  6. Step 6: Final answer
    x = 686,682,129.43

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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.