Home / 664,400,001.66-916,739,026.47-370,999,425.66

Finding the Fourth Proportional to 664,400,001.66, 916,739,026.47 and 370,999,425.66

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Solution

The fourth proportional to 664,400,001.66, 916,739,026.47 and 370,999,425.66 is: 511,904,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,400,001.66 : 916,739,026.47 = 370,999,425.66 : x
  2. Step 2: Convert to fraction form
    664,400,001.66/916,739,026.47 = 370,999,425.66/x
  3. Step 3: Cross multiply
    664,400,001.66x = 916,739,026.47 × 370,999,425.66
  4. Step 4: Simplify right side
    664,400,001.66x = 340,109,652,300,477,568
  5. Step 5: Solve for x
    x = 340,109,652,300,477,568/664,400,001.66
  6. Step 6: Final answer
    x = 511,904,954.02

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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.