Home / 664,330,999.23-916,759,017.17-366,966,841.33

Finding the Fourth Proportional to 664,330,999.23, 916,759,017.17 and 366,966,841.33

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Solution

The fourth proportional to 664,330,999.23, 916,759,017.17 and 366,966,841.33 is: 506,404,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,330,999.23 : 916,759,017.17 = 366,966,841.33 : x
  2. Step 2: Convert to fraction form
    664,330,999.23/916,759,017.17 = 366,966,841.33/x
  3. Step 3: Cross multiply
    664,330,999.23x = 916,759,017.17 × 366,966,841.33
  4. Step 4: Simplify right side
    664,330,999.23x = 336,420,160,791,670,080
  5. Step 5: Solve for x
    x = 336,420,160,791,670,080/664,330,999.23
  6. Step 6: Final answer
    x = 506,404,429.69

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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.