Home / 1,341,125,689.60-2,013,984,009.60-728,905,657.60

Finding the Fourth Proportional to 1,341,125,689.60, 2,013,984,009.60 and 728,905,657.60

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Solution

The fourth proportional to 1,341,125,689.60, 2,013,984,009.60 and 728,905,657.60 is: 1,094,606,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,125,689.60 : 2,013,984,009.60 = 728,905,657.60 : x
  2. Step 2: Convert to fraction form
    1,341,125,689.60/2,013,984,009.60 = 728,905,657.60/x
  3. Step 3: Cross multiply
    1,341,125,689.60x = 2,013,984,009.60 × 728,905,657.60
  4. Step 4: Simplify right side
    1,341,125,689.60x = 1,468,004,338,913,372,672
  5. Step 5: Solve for x
    x = 1,468,004,338,913,372,672/1,341,125,689.60
  6. Step 6: Final answer
    x = 1,094,606,083.75

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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.