Home / 28,051,988,781.14-42,145,111,168.95-17,987,420,463.02

Finding the Fourth Proportional to 28,051,988,781.14, 42,145,111,168.95 and 17,987,420,463.02

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Solution

The fourth proportional to 28,051,988,781.14, 42,145,111,168.95 and 17,987,420,463.02 is: 27,024,174,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051,988,781.14 : 42,145,111,168.95 = 17,987,420,463.02 : x
  2. Step 2: Convert to fraction form
    28,051,988,781.14/42,145,111,168.95 = 17,987,420,463.02/x
  3. Step 3: Cross multiply
    28,051,988,781.14x = 42,145,111,168.95 × 17,987,420,463.02
  4. Step 4: Simplify right side
    28,051,988,781.14x = 758,081,835,056,623,910,912
  5. Step 5: Solve for x
    x = 758,081,835,056,623,910,912/28,051,988,781.14
  6. Step 6: Final answer
    x = 27,024,174,327.57

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1.5x scale

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.