Home / 65,281,325,006.80-97,921,987,510.20-39,159,936,974.80

Finding the Fourth Proportional to 65,281,325,006.80, 97,921,987,510.20 and 39,159,936,974.80

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Solution

The fourth proportional to 65,281,325,006.80, 97,921,987,510.20 and 39,159,936,974.80 is: 58,739,905,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,281,325,006.80 : 97,921,987,510.20 = 39,159,936,974.80 : x
  2. Step 2: Convert to fraction form
    65,281,325,006.80/97,921,987,510.20 = 39,159,936,974.80/x
  3. Step 3: Cross multiply
    65,281,325,006.80x = 97,921,987,510.20 × 39,159,936,974.80
  4. Step 4: Simplify right side
    65,281,325,006.80x = 3,834,618,859,346,584,928,256
  5. Step 5: Solve for x
    x = 3,834,618,859,346,584,928,256/65,281,325,006.80
  6. Step 6: Final answer
    x = 58,739,905,462.20

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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.