Home / 910,271,179.70-1,256,177,534.76-492,583,419.92

Finding the Fourth Proportional to 910,271,179.70, 1,256,177,534.76 and 492,583,419.92

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Solution

The fourth proportional to 910,271,179.70, 1,256,177,534.76 and 492,583,419.92 is: 679,766,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,271,179.70 : 1,256,177,534.76 = 492,583,419.92 : x
  2. Step 2: Convert to fraction form
    910,271,179.70/1,256,177,534.76 = 492,583,419.92/x
  3. Step 3: Cross multiply
    910,271,179.70x = 1,256,177,534.76 × 492,583,419.92
  4. Step 4: Simplify right side
    910,271,179.70x = 618,772,226,098,755,456
  5. Step 5: Solve for x
    x = 618,772,226,098,755,456/910,271,179.70
  6. Step 6: Final answer
    x = 679,766,908.91

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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.