Home / 39,779,936,156.16-54,897,611,193.60-21,716,415,546.24

Finding the Fourth Proportional to 39,779,936,156.16, 54,897,611,193.60 and 21,716,415,546.24

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Solution

The fourth proportional to 39,779,936,156.16, 54,897,611,193.60 and 21,716,415,546.24 is: 29,969,362,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,779,936,156.16 : 54,897,611,193.60 = 21,716,415,546.24 : x
  2. Step 2: Convert to fraction form
    39,779,936,156.16/54,897,611,193.60 = 21,716,415,546.24/x
  3. Step 3: Cross multiply
    39,779,936,156.16x = 54,897,611,193.60 × 21,716,415,546.24
  4. Step 4: Simplify right side
    39,779,936,156.16x = 1,192,179,337,176,134,189,056
  5. Step 5: Solve for x
    x = 1,192,179,337,176,134,189,056/39,779,936,156.16
  6. Step 6: Final answer
    x = 29,969,362,758.56

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Double scale
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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.