Home / 541,908,725.13-747,774,065.67-300,498,630.87

Finding the Fourth Proportional to 541,908,725.13, 747,774,065.67 and 300,498,630.87

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Solution

The fourth proportional to 541,908,725.13, 747,774,065.67 and 300,498,630.87 is: 414,654,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,908,725.13 : 747,774,065.67 = 300,498,630.87 : x
  2. Step 2: Convert to fraction form
    541,908,725.13/747,774,065.67 = 300,498,630.87/x
  3. Step 3: Cross multiply
    541,908,725.13x = 747,774,065.67 × 300,498,630.87
  4. Step 4: Simplify right side
    541,908,725.13x = 224,705,082,933,928,448
  5. Step 5: Solve for x
    x = 224,705,082,933,928,448/541,908,725.13
  6. Step 6: Final answer
    x = 414,654,853.32

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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.