Home / 402,845,229,263.40-556,177,306,217.76-256,440,297,685.92

Finding the Fourth Proportional to 402,845,229,263.40, 556,177,306,217.76 and 256,440,297,685.92

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Solution

The fourth proportional to 402,845,229,263.40, 556,177,306,217.76 and 256,440,297,685.92 is: 354,047,320,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,845,229,263.40 : 556,177,306,217.76 = 256,440,297,685.92 : x
  2. Step 2: Convert to fraction form
    402,845,229,263.40/556,177,306,217.76 = 256,440,297,685.92/x
  3. Step 3: Cross multiply
    402,845,229,263.40x = 556,177,306,217.76 × 256,440,297,685.92
  4. Step 4: Simplify right side
    402,845,229,263.40x = 142,626,273,972,635,475,902,464
  5. Step 5: Solve for x
    x = 142,626,273,972,635,475,902,464/402,845,229,263.40
  6. Step 6: Final answer
    x = 354,047,320,439.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.