Home / 992,407,045.26-1,368,506,611.08-657,763,371.48

Finding the Fourth Proportional to 992,407,045.26, 1,368,506,611.08 and 657,763,371.48

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Solution

The fourth proportional to 992,407,045.26, 1,368,506,611.08 and 657,763,371.48 is: 907,040,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,407,045.26 : 1,368,506,611.08 = 657,763,371.48 : x
  2. Step 2: Convert to fraction form
    992,407,045.26/1,368,506,611.08 = 657,763,371.48/x
  3. Step 3: Cross multiply
    992,407,045.26x = 1,368,506,611.08 × 657,763,371.48
  4. Step 4: Simplify right side
    992,407,045.26x = 900,153,522,396,649,856
  5. Step 5: Solve for x
    x = 900,153,522,396,649,856/992,407,045.26
  6. Step 6: Final answer
    x = 907,040,640.93

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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.