Home / 1,341,125,686.60-2,013,984,005.10-728,905,654.60

Finding the Fourth Proportional to 1,341,125,686.60, 2,013,984,005.10 and 728,905,654.60

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Solution

The fourth proportional to 1,341,125,686.60, 2,013,984,005.10 and 728,905,654.60 is: 1,094,606,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,125,686.60 : 2,013,984,005.10 = 728,905,654.60 : x
  2. Step 2: Convert to fraction form
    1,341,125,686.60/2,013,984,005.10 = 728,905,654.60/x
  3. Step 3: Cross multiply
    1,341,125,686.60x = 2,013,984,005.10 × 728,905,654.60
  4. Step 4: Simplify right side
    1,341,125,686.60x = 1,468,004,329,591,345,152
  5. Step 5: Solve for x
    x = 1,468,004,329,591,345,152/1,341,125,686.60
  6. Step 6: Final answer
    x = 1,094,606,079.25

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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.