Home / 765,354,885.75-1,055,625,852.11-577,191,109.37

Finding the Fourth Proportional to 765,354,885.75, 1,055,625,852.11 and 577,191,109.37

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Solution

The fourth proportional to 765,354,885.75, 1,055,625,852.11 and 577,191,109.37 is: 796,098,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,354,885.75 : 1,055,625,852.11 = 577,191,109.37 : x
  2. Step 2: Convert to fraction form
    765,354,885.75/1,055,625,852.11 = 577,191,109.37/x
  3. Step 3: Cross multiply
    765,354,885.75x = 1,055,625,852.11 × 577,191,109.37
  4. Step 4: Simplify right side
    765,354,885.75x = 609,297,856,650,858,368
  5. Step 5: Solve for x
    x = 609,297,856,650,858,368/765,354,885.75
  6. Step 6: Final answer
    x = 796,098,474.05

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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.