Home / 28,006,114,043.42-38,648,553,822.24-15,145,754,002.16

Finding the Fourth Proportional to 28,006,114,043.42, 38,648,553,822.24 and 15,145,754,002.16

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Solution

The fourth proportional to 28,006,114,043.42, 38,648,553,822.24 and 15,145,754,002.16 is: 20,901,203,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,114,043.42 : 38,648,553,822.24 = 15,145,754,002.16 : x
  2. Step 2: Convert to fraction form
    28,006,114,043.42/38,648,553,822.24 = 15,145,754,002.16/x
  3. Step 3: Cross multiply
    28,006,114,043.42x = 38,648,553,822.24 × 15,145,754,002.16
  4. Step 4: Simplify right side
    28,006,114,043.42x = 585,361,488,730,887,618,560
  5. Step 5: Solve for x
    x = 585,361,488,730,887,618,560/28,006,114,043.42
  6. Step 6: Final answer
    x = 20,901,203,495.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.