Home / 992,988,963.68-1,370,324,764.52-575,543,386.16

Finding the Fourth Proportional to 992,988,963.68, 1,370,324,764.52 and 575,543,386.16

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Solution

The fourth proportional to 992,988,963.68, 1,370,324,764.52 and 575,543,386.16 is: 794,249,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,988,963.68 : 1,370,324,764.52 = 575,543,386.16 : x
  2. Step 2: Convert to fraction form
    992,988,963.68/1,370,324,764.52 = 575,543,386.16/x
  3. Step 3: Cross multiply
    992,988,963.68x = 1,370,324,764.52 × 575,543,386.16
  4. Step 4: Simplify right side
    992,988,963.68x = 788,681,355,110,745,344
  5. Step 5: Solve for x
    x = 788,681,355,110,745,344/992,988,963.68
  6. Step 6: Final answer
    x = 794,249,869.80

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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.