Home / 1,098,242,292-1,515,603,959.52-646,151,816.88

Finding the Fourth Proportional to 1,098,242,292, 1,515,603,959.52 and 646,151,816.88

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Solution

The fourth proportional to 1,098,242,292, 1,515,603,959.52 and 646,151,816.88 is: 891,706,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,242,292 : 1,515,603,959.52 = 646,151,816.88 : x
  2. Step 2: Convert to fraction form
    1,098,242,292/1,515,603,959.52 = 646,151,816.88/x
  3. Step 3: Cross multiply
    1,098,242,292x = 1,515,603,959.52 × 646,151,816.88
  4. Step 4: Simplify right side
    1,098,242,292x = 979,310,252,114,369,920
  5. Step 5: Solve for x
    x = 979,310,252,114,369,920/1,098,242,292
  6. Step 6: Final answer
    x = 891,706,920.46

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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.