Home / 20,534,331,759.03-28,337,544,210.45-11,379,013,525.88

Finding the Fourth Proportional to 20,534,331,759.03, 28,337,544,210.45 and 11,379,013,525.88

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Solution

The fourth proportional to 20,534,331,759.03, 28,337,544,210.45 and 11,379,013,525.88 is: 15,703,130,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,331,759.03 : 28,337,544,210.45 = 11,379,013,525.88 : x
  2. Step 2: Convert to fraction form
    20,534,331,759.03/28,337,544,210.45 = 11,379,013,525.88/x
  3. Step 3: Cross multiply
    20,534,331,759.03x = 28,337,544,210.45 × 11,379,013,525.88
  4. Step 4: Simplify right side
    20,534,331,759.03x = 322,453,298,860,898,844,672
  5. Step 5: Solve for x
    x = 322,453,298,860,898,844,672/20,534,331,759.03
  6. Step 6: Final answer
    x = 15,703,130,866.15

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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.