Home / 20,534,331,758.78-28,337,544,210.10-11,379,013,525.63

Finding the Fourth Proportional to 20,534,331,758.78, 28,337,544,210.10 and 11,379,013,525.63

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Solution

The fourth proportional to 20,534,331,758.78, 28,337,544,210.10 and 11,379,013,525.63 is: 15,703,130,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,331,758.78 : 28,337,544,210.10 = 11,379,013,525.63 : x
  2. Step 2: Convert to fraction form
    20,534,331,758.78/28,337,544,210.10 = 11,379,013,525.63/x
  3. Step 3: Cross multiply
    20,534,331,758.78x = 28,337,544,210.10 × 11,379,013,525.63
  4. Step 4: Simplify right side
    20,534,331,758.78x = 322,453,298,849,871,822,848
  5. Step 5: Solve for x
    x = 322,453,298,849,871,822,848/20,534,331,758.78
  6. Step 6: Final answer
    x = 15,703,130,865.80

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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.