Home / 23,171,288,231.48-31,979,747,237.10-13,011,156,678.20

Finding the Fourth Proportional to 23,171,288,231.48, 31,979,747,237.10 and 13,011,156,678.20

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Solution

The fourth proportional to 23,171,288,231.48, 31,979,747,237.10 and 13,011,156,678.20 is: 17,957,288,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171,288,231.48 : 31,979,747,237.10 = 13,011,156,678.20 : x
  2. Step 2: Convert to fraction form
    23,171,288,231.48/31,979,747,237.10 = 13,011,156,678.20/x
  3. Step 3: Cross multiply
    23,171,288,231.48x = 31,979,747,237.10 × 13,011,156,678.20
  4. Step 4: Simplify right side
    23,171,288,231.48x = 416,093,501,831,141,654,528
  5. Step 5: Solve for x
    x = 416,093,501,831,141,654,528/23,171,288,231.48
  6. Step 6: Final answer
    x = 17,957,288,247.18

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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.