Home / 28,397,952,002.10-42,596,928,003.15-15,337,257,986.10

Finding the Fourth Proportional to 28,397,952,002.10, 42,596,928,003.15 and 15,337,257,986.10

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Solution

The fourth proportional to 28,397,952,002.10, 42,596,928,003.15 and 15,337,257,986.10 is: 23,005,886,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397,952,002.10 : 42,596,928,003.15 = 15,337,257,986.10 : x
  2. Step 2: Convert to fraction form
    28,397,952,002.10/42,596,928,003.15 = 15,337,257,986.10/x
  3. Step 3: Cross multiply
    28,397,952,002.10x = 42,596,928,003.15 × 15,337,257,986.10
  4. Step 4: Simplify right side
    28,397,952,002.10x = 653,320,074,199,639,130,112
  5. Step 5: Solve for x
    x = 653,320,074,199,639,130,112/28,397,952,002.10
  6. Step 6: Final answer
    x = 23,005,886,979.15

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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.