Home / 423,628,789.20-583,256,305.80-361,499,793.36

Finding the Fourth Proportional to 423,628,789.20, 583,256,305.80 and 361,499,793.36

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Solution

The fourth proportional to 423,628,789.20, 583,256,305.80 and 361,499,793.36 is: 497,716,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,628,789.20 : 583,256,305.80 = 361,499,793.36 : x
  2. Step 2: Convert to fraction form
    423,628,789.20/583,256,305.80 = 361,499,793.36/x
  3. Step 3: Cross multiply
    423,628,789.20x = 583,256,305.80 × 361,499,793.36
  4. Step 4: Simplify right side
    423,628,789.20x = 210,847,034,022,616,960
  5. Step 5: Solve for x
    x = 210,847,034,022,616,960/423,628,789.20
  6. Step 6: Final answer
    x = 497,716,490.00

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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.