Home / 1,326,517,357.43-1,988,727,613.07-662,190,428.04

Finding the Fourth Proportional to 1,326,517,357.43, 1,988,727,613.07 and 662,190,428.04

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Solution

The fourth proportional to 1,326,517,357.43, 1,988,727,613.07 and 662,190,428.04 is: 992,762,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,517,357.43 : 1,988,727,613.07 = 662,190,428.04 : x
  2. Step 2: Convert to fraction form
    1,326,517,357.43/1,988,727,613.07 = 662,190,428.04/x
  3. Step 3: Cross multiply
    1,326,517,357.43x = 1,988,727,613.07 × 662,190,428.04
  4. Step 4: Simplify right side
    1,326,517,357.43x = 1,316,916,389,343,022,080
  5. Step 5: Solve for x
    x = 1,316,916,389,343,022,080/1,326,517,357.43
  6. Step 6: Final answer
    x = 992,762,274.81

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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.