Home / 748,227,690.63-1,122,062,398.20-256,801,507.92

Finding the Fourth Proportional to 748,227,690.63, 1,122,062,398.20 and 256,801,507.92

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Solution

The fourth proportional to 748,227,690.63, 1,122,062,398.20 and 256,801,507.92 is: 385,106,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,227,690.63 : 1,122,062,398.20 = 256,801,507.92 : x
  2. Step 2: Convert to fraction form
    748,227,690.63/1,122,062,398.20 = 256,801,507.92/x
  3. Step 3: Cross multiply
    748,227,690.63x = 1,122,062,398.20 × 256,801,507.92
  4. Step 4: Simplify right side
    748,227,690.63x = 288,147,315,838,091,488
  5. Step 5: Solve for x
    x = 288,147,315,838,091,488/748,227,690.63
  6. Step 6: Final answer
    x = 385,106,458.16

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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.