Home / 561,160,298.68-774,428,203.22-310,260,047.92

Finding the Fourth Proportional to 561,160,298.68, 774,428,203.22 and 310,260,047.92

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Solution

The fourth proportional to 561,160,298.68, 774,428,203.22 and 310,260,047.92 is: 428,173,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,160,298.68 : 774,428,203.22 = 310,260,047.92 : x
  2. Step 2: Convert to fraction form
    561,160,298.68/774,428,203.22 = 310,260,047.92/x
  3. Step 3: Cross multiply
    561,160,298.68x = 774,428,203.22 × 310,260,047.92
  4. Step 4: Simplify right side
    561,160,298.68x = 240,274,131,441,636,736
  5. Step 5: Solve for x
    x = 240,274,131,441,636,736/561,160,298.68
  6. Step 6: Final answer
    x = 428,173,789.21

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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.