Home / 1,098,242,277.48-1,515,603,939.48-646,151,802.39

Finding the Fourth Proportional to 1,098,242,277.48, 1,515,603,939.48 and 646,151,802.39

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Solution

The fourth proportional to 1,098,242,277.48, 1,515,603,939.48 and 646,151,802.39 is: 891,706,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,242,277.48 : 1,515,603,939.48 = 646,151,802.39 : x
  2. Step 2: Convert to fraction form
    1,098,242,277.48/1,515,603,939.48 = 646,151,802.39/x
  3. Step 3: Cross multiply
    1,098,242,277.48x = 1,515,603,939.48 × 646,151,802.39
  4. Step 4: Simplify right side
    1,098,242,277.48x = 979,310,217,204,386,432
  5. Step 5: Solve for x
    x = 979,310,217,204,386,432/1,098,242,277.48
  6. Step 6: Final answer
    x = 891,706,900.46

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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.