Home / 28,002,349,201.30-42,003,523,801.95-23,165,055,121.30

Finding the Fourth Proportional to 28,002,349,201.30, 42,003,523,801.95 and 23,165,055,121.30

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Solution

The fourth proportional to 28,002,349,201.30, 42,003,523,801.95 and 23,165,055,121.30 is: 34,747,582,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,349,201.30 : 42,003,523,801.95 = 23,165,055,121.30 : x
  2. Step 2: Convert to fraction form
    28,002,349,201.30/42,003,523,801.95 = 23,165,055,121.30/x
  3. Step 3: Cross multiply
    28,002,349,201.30x = 42,003,523,801.95 × 23,165,055,121.30
  4. Step 4: Simplify right side
    28,002,349,201.30x = 973,013,944,161,008,222,208
  5. Step 5: Solve for x
    x = 973,013,944,161,008,222,208/28,002,349,201.30
  6. Step 6: Final answer
    x = 34,747,582,681.95

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Double scale
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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.