Home / 2,607,756,647.80-3,910,291,278.90-971,138,817.40

Finding the Fourth Proportional to 2,607,756,647.80, 3,910,291,278.90 and 971,138,817.40

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Solution

The fourth proportional to 2,607,756,647.80, 3,910,291,278.90 and 971,138,817.40 is: 1,456,207,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,756,647.80 : 3,910,291,278.90 = 971,138,817.40 : x
  2. Step 2: Convert to fraction form
    2,607,756,647.80/3,910,291,278.90 = 971,138,817.40/x
  3. Step 3: Cross multiply
    2,607,756,647.80x = 3,910,291,278.90 × 971,138,817.40
  4. Step 4: Simplify right side
    2,607,756,647.80x = 3,797,435,648,280,479,744
  5. Step 5: Solve for x
    x = 3,797,435,648,280,479,744/2,607,756,647.80
  6. Step 6: Final answer
    x = 1,456,207,829.62

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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.