Home / 10,865,016,005.40-16,297,524,008.10-9,121,623,804.90

Finding the Fourth Proportional to 10,865,016,005.40, 16,297,524,008.10 and 9,121,623,804.90

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Solution

The fourth proportional to 10,865,016,005.40, 16,297,524,008.10 and 9,121,623,804.90 is: 13,682,435,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,016,005.40 : 16,297,524,008.10 = 9,121,623,804.90 : x
  2. Step 2: Convert to fraction form
    10,865,016,005.40/16,297,524,008.10 = 9,121,623,804.90/x
  3. Step 3: Cross multiply
    10,865,016,005.40x = 16,297,524,008.10 × 9,121,623,804.90
  4. Step 4: Simplify right side
    10,865,016,005.40x = 148,659,882,953,214,230,528
  5. Step 5: Solve for x
    x = 148,659,882,953,214,230,528/10,865,016,005.40
  6. Step 6: Final answer
    x = 13,682,435,707.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.