Home / 21,096,576,856.80-29,112,206,921.19-12,523,369,955.90

Finding the Fourth Proportional to 21,096,576,856.80, 29,112,206,921.19 and 12,523,369,955.90

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Solution

The fourth proportional to 21,096,576,856.80, 29,112,206,921.19 and 12,523,369,955.90 is: 17,281,615,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096,576,856.80 : 29,112,206,921.19 = 12,523,369,955.90 : x
  2. Step 2: Convert to fraction form
    21,096,576,856.80/29,112,206,921.19 = 12,523,369,955.90/x
  3. Step 3: Cross multiply
    21,096,576,856.80x = 29,112,206,921.19 × 12,523,369,955.90
  4. Step 4: Simplify right side
    21,096,576,856.80x = 364,582,937,506,629,287,936
  5. Step 5: Solve for x
    x = 364,582,937,506,629,287,936/21,096,576,856.80
  6. Step 6: Final answer
    x = 17,281,615,874.53

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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.