Home / 27,966,265,256.30-38,593,461,535.70-15,105,905,149.53

Finding the Fourth Proportional to 27,966,265,256.30, 38,593,461,535.70 and 15,105,905,149.53

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Solution

The fourth proportional to 27,966,265,256.30, 38,593,461,535.70 and 15,105,905,149.53 is: 20,846,157,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966,265,256.30 : 38,593,461,535.70 = 15,105,905,149.53 : x
  2. Step 2: Convert to fraction form
    27,966,265,256.30/38,593,461,535.70 = 15,105,905,149.53/x
  3. Step 3: Cross multiply
    27,966,265,256.30x = 38,593,461,535.70 × 15,105,905,149.53
  4. Step 4: Simplify right side
    27,966,265,256.30x = 582,989,169,350,243,123,200
  5. Step 5: Solve for x
    x = 582,989,169,350,243,123,200/27,966,265,256.30
  6. Step 6: Final answer
    x = 20,846,157,468.91

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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.