Home / 13,363,615,517.73-18,443,370,408.02-7,938,172,560.88

Finding the Fourth Proportional to 13,363,615,517.73, 18,443,370,408.02 and 7,938,172,560.88

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Solution

The fourth proportional to 13,363,615,517.73, 18,443,370,408.02 and 7,938,172,560.88 is: 10,955,617,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363,615,517.73 : 18,443,370,408.02 = 7,938,172,560.88 : x
  2. Step 2: Convert to fraction form
    13,363,615,517.73/18,443,370,408.02 = 7,938,172,560.88/x
  3. Step 3: Cross multiply
    13,363,615,517.73x = 18,443,370,408.02 × 7,938,172,560.88
  4. Step 4: Simplify right side
    13,363,615,517.73x = 146,406,656,903,134,068,736
  5. Step 5: Solve for x
    x = 146,406,656,903,134,068,736/13,363,615,517.73
  6. Step 6: Final answer
    x = 10,955,617,266.07

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1.5x scale

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.