Home / 4,978,292,381.71-7,472,754,673.85-2,143,490,928.91

Finding the Fourth Proportional to 4,978,292,381.71, 7,472,754,673.85 and 2,143,490,928.91

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Solution

The fourth proportional to 4,978,292,381.71, 7,472,754,673.85 and 2,143,490,928.91 is: 3,217,525,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,292,381.71 : 7,472,754,673.85 = 2,143,490,928.91 : x
  2. Step 2: Convert to fraction form
    4,978,292,381.71/7,472,754,673.85 = 2,143,490,928.91/x
  3. Step 3: Cross multiply
    4,978,292,381.71x = 7,472,754,673.85 × 2,143,490,928.91
  4. Step 4: Simplify right side
    4,978,292,381.71x = 16,017,781,857,367,281,664
  5. Step 5: Solve for x
    x = 16,017,781,857,367,281,664/4,978,292,381.71
  6. Step 6: Final answer
    x = 3,217,525,333.83

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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.