Home / 38,978,432,073.40-53,788,844,510.22-22,061,716,421.08

Finding the Fourth Proportional to 38,978,432,073.40, 53,788,844,510.22 and 22,061,716,421.08

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Solution

The fourth proportional to 38,978,432,073.40, 53,788,844,510.22 and 22,061,716,421.08 is: 30,444,380,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,978,432,073.40 : 53,788,844,510.22 = 22,061,716,421.08 : x
  2. Step 2: Convert to fraction form
    38,978,432,073.40/53,788,844,510.22 = 22,061,716,421.08/x
  3. Step 3: Cross multiply
    38,978,432,073.40x = 53,788,844,510.22 × 22,061,716,421.08
  4. Step 4: Simplify right side
    38,978,432,073.40x = 1,186,674,234,202,039,517,184
  5. Step 5: Solve for x
    x = 1,186,674,234,202,039,517,184/38,978,432,073.40
  6. Step 6: Final answer
    x = 30,444,380,932.70

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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.