Home / 2,607,756,648.30-3,910,291,279.65-971,138,817.90

Finding the Fourth Proportional to 2,607,756,648.30, 3,910,291,279.65 and 971,138,817.90

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Solution

The fourth proportional to 2,607,756,648.30, 3,910,291,279.65 and 971,138,817.90 is: 1,456,207,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,756,648.30 : 3,910,291,279.65 = 971,138,817.90 : x
  2. Step 2: Convert to fraction form
    2,607,756,648.30/3,910,291,279.65 = 971,138,817.90/x
  3. Step 3: Cross multiply
    2,607,756,648.30x = 3,910,291,279.65 × 971,138,817.90
  4. Step 4: Simplify right side
    2,607,756,648.30x = 3,797,435,650,963,979,264
  5. Step 5: Solve for x
    x = 3,797,435,650,963,979,264/2,607,756,648.30
  6. Step 6: Final answer
    x = 1,456,207,830.37

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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.