Home / 743,561,470.68-1,026,109,155.36-409,026,789.69

Finding the Fourth Proportional to 743,561,470.68, 1,026,109,155.36 and 409,026,789.69

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Solution

The fourth proportional to 743,561,470.68, 1,026,109,155.36 and 409,026,789.69 is: 564,453,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,561,470.68 : 1,026,109,155.36 = 409,026,789.69 : x
  2. Step 2: Convert to fraction form
    743,561,470.68/1,026,109,155.36 = 409,026,789.69/x
  3. Step 3: Cross multiply
    743,561,470.68x = 1,026,109,155.36 × 409,026,789.69
  4. Step 4: Simplify right side
    743,561,470.68x = 419,706,133,688,418,240
  5. Step 5: Solve for x
    x = 419,706,133,688,418,240/743,561,470.68
  6. Step 6: Final answer
    x = 564,453,848.46

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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.