Home / 664,400,002.66-916,739,027.85-370,999,426.66

Finding the Fourth Proportional to 664,400,002.66, 916,739,027.85 and 370,999,426.66

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Solution

The fourth proportional to 664,400,002.66, 916,739,027.85 and 370,999,426.66 is: 511,904,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,400,002.66 : 916,739,027.85 = 370,999,426.66 : x
  2. Step 2: Convert to fraction form
    664,400,002.66/916,739,027.85 = 370,999,426.66/x
  3. Step 3: Cross multiply
    664,400,002.66x = 916,739,027.85 × 370,999,426.66
  4. Step 4: Simplify right side
    664,400,002.66x = 340,109,653,729,195,776
  5. Step 5: Solve for x
    x = 340,109,653,729,195,776/664,400,002.66
  6. Step 6: Final answer
    x = 511,904,955.40

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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.