Home / 1,298,324,399.38-1,791,731,001.09-711,615,038.74

Finding the Fourth Proportional to 1,298,324,399.38, 1,791,731,001.09 and 711,615,038.74

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Solution

The fourth proportional to 1,298,324,399.38, 1,791,731,001.09 and 711,615,038.74 is: 982,052,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,324,399.38 : 1,791,731,001.09 = 711,615,038.74 : x
  2. Step 2: Convert to fraction form
    1,298,324,399.38/1,791,731,001.09 = 711,615,038.74/x
  3. Step 3: Cross multiply
    1,298,324,399.38x = 1,791,731,001.09 × 711,615,038.74
  4. Step 4: Simplify right side
    1,298,324,399.38x = 1,275,022,725,752,319,232
  5. Step 5: Solve for x
    x = 1,275,022,725,752,319,232/1,298,324,399.38
  6. Step 6: Final answer
    x = 982,052,502.72

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1.5x scale

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.