Home / 818,126,637.66-1,128,982,141.26-460,886,092.56

Finding the Fourth Proportional to 818,126,637.66, 1,128,982,141.26 and 460,886,092.56

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Solution

The fourth proportional to 818,126,637.66, 1,128,982,141.26 and 460,886,092.56 is: 636,004,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,126,637.66 : 1,128,982,141.26 = 460,886,092.56 : x
  2. Step 2: Convert to fraction form
    818,126,637.66/1,128,982,141.26 = 460,886,092.56/x
  3. Step 3: Cross multiply
    818,126,637.66x = 1,128,982,141.26 × 460,886,092.56
  4. Step 4: Simplify right side
    818,126,637.66x = 520,332,167,655,343,360
  5. Step 5: Solve for x
    x = 520,332,167,655,343,360/818,126,637.66
  6. Step 6: Final answer
    x = 636,004,432.20

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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.