Home / 561,104,923.20-841,657,384.80-172,893,177.60

Finding the Fourth Proportional to 561,104,923.20, 841,657,384.80 and 172,893,177.60

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Solution

The fourth proportional to 561,104,923.20, 841,657,384.80 and 172,893,177.60 is: 259,339,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,104,923.20 : 841,657,384.80 = 172,893,177.60 : x
  2. Step 2: Convert to fraction form
    561,104,923.20/841,657,384.80 = 172,893,177.60/x
  3. Step 3: Cross multiply
    561,104,923.20x = 841,657,384.80 × 172,893,177.60
  4. Step 4: Simplify right side
    561,104,923.20x = 145,516,819,708,577,920
  5. Step 5: Solve for x
    x = 145,516,819,708,577,920/561,104,923.20
  6. Step 6: Final answer
    x = 259,339,766.40

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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.