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Finding the Fourth Proportional to 560,162,480.60, 785,375,385.40 and 560,162,480.60

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Solution

The fourth proportional to 560,162,480.60, 785,375,385.40 and 560,162,480.60 is: 785,375,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,162,480.60 : 785,375,385.40 = 560,162,480.60 : x
  2. Step 2: Convert to fraction form
    560,162,480.60/785,375,385.40 = 560,162,480.60/x
  3. Step 3: Cross multiply
    560,162,480.60x = 785,375,385.40 × 560,162,480.60
  4. Step 4: Simplify right side
    560,162,480.60x = 439,937,824,087,845,056
  5. Step 5: Solve for x
    x = 439,937,824,087,845,056/560,162,480.60
  6. Step 6: Final answer
    x = 785,375,385.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.