Home / 20,534,331,759.20-28,337,544,210.69-11,379,013,526.05

Finding the Fourth Proportional to 20,534,331,759.20, 28,337,544,210.69 and 11,379,013,526.05

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Solution

The fourth proportional to 20,534,331,759.20, 28,337,544,210.69 and 11,379,013,526.05 is: 15,703,130,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,331,759.20 : 28,337,544,210.69 = 11,379,013,526.05 : x
  2. Step 2: Convert to fraction form
    20,534,331,759.20/28,337,544,210.69 = 11,379,013,526.05/x
  3. Step 3: Cross multiply
    20,534,331,759.20x = 28,337,544,210.69 × 11,379,013,526.05
  4. Step 4: Simplify right side
    20,534,331,759.20x = 322,453,298,868,492,566,528
  5. Step 5: Solve for x
    x = 322,453,298,868,492,566,528/20,534,331,759.20
  6. Step 6: Final answer
    x = 15,703,130,866.38

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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.