Home / 384,912,206.20-577,368,309.30-126,065,009.80

Finding the Fourth Proportional to 384,912,206.20, 577,368,309.30 and 126,065,009.80

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Solution

The fourth proportional to 384,912,206.20, 577,368,309.30 and 126,065,009.80 is: 189,097,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,206.20 : 577,368,309.30 = 126,065,009.80 : x
  2. Step 2: Convert to fraction form
    384,912,206.20/577,368,309.30 = 126,065,009.80/x
  3. Step 3: Cross multiply
    384,912,206.20x = 577,368,309.30 × 126,065,009.80
  4. Step 4: Simplify right side
    384,912,206.20x = 72,785,941,570,113,920
  5. Step 5: Solve for x
    x = 72,785,941,570,113,920/384,912,206.20
  6. Step 6: Final answer
    x = 189,097,514.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.