Home / 1,284,687,283.74-1,772,868,451.50-727,770,330.78

Finding the Fourth Proportional to 1,284,687,283.74, 1,772,868,451.50 and 727,770,330.78

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Solution

The fourth proportional to 1,284,687,283.74, 1,772,868,451.50 and 727,770,330.78 is: 1,004,323,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,687,283.74 : 1,772,868,451.50 = 727,770,330.78 : x
  2. Step 2: Convert to fraction form
    1,284,687,283.74/1,772,868,451.50 = 727,770,330.78/x
  3. Step 3: Cross multiply
    1,284,687,283.74x = 1,772,868,451.50 × 727,770,330.78
  4. Step 4: Simplify right side
    1,284,687,283.74x = 1,290,241,059,377,581,312
  5. Step 5: Solve for x
    x = 1,290,241,059,377,581,312/1,284,687,283.74
  6. Step 6: Final answer
    x = 1,004,323,056.44

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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.