Home / 992,407,042.25-1,368,506,606.95-657,763,368.47

Finding the Fourth Proportional to 992,407,042.25, 1,368,506,606.95 and 657,763,368.47

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Solution

The fourth proportional to 992,407,042.25, 1,368,506,606.95 and 657,763,368.47 is: 907,040,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,407,042.25 : 1,368,506,606.95 = 657,763,368.47 : x
  2. Step 2: Convert to fraction form
    992,407,042.25/1,368,506,606.95 = 657,763,368.47/x
  3. Step 3: Cross multiply
    992,407,042.25x = 1,368,506,606.95 × 657,763,368.47
  4. Step 4: Simplify right side
    992,407,042.25x = 900,153,515,560,882,432
  5. Step 5: Solve for x
    x = 900,153,515,560,882,432/992,407,042.25
  6. Step 6: Final answer
    x = 907,040,636.79

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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.