Home / 28,051,988,778.64-42,145,111,165.20-17,987,420,460.52

Finding the Fourth Proportional to 28,051,988,778.64, 42,145,111,165.20 and 17,987,420,460.52

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Solution

The fourth proportional to 28,051,988,778.64, 42,145,111,165.20 and 17,987,420,460.52 is: 27,024,174,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051,988,778.64 : 42,145,111,165.20 = 17,987,420,460.52 : x
  2. Step 2: Convert to fraction form
    28,051,988,778.64/42,145,111,165.20 = 17,987,420,460.52/x
  3. Step 3: Cross multiply
    28,051,988,778.64x = 42,145,111,165.20 × 17,987,420,460.52
  4. Step 4: Simplify right side
    28,051,988,778.64x = 758,081,834,883,808,362,496
  5. Step 5: Solve for x
    x = 758,081,834,883,808,362,496/28,051,988,778.64
  6. Step 6: Final answer
    x = 27,024,174,323.82

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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.