Home / 765,354,886.26-1,055,625,852.80-577,191,109.86

Finding the Fourth Proportional to 765,354,886.26, 1,055,625,852.80 and 577,191,109.86

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Solution

The fourth proportional to 765,354,886.26, 1,055,625,852.80 and 577,191,109.86 is: 796,098,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,354,886.26 : 1,055,625,852.80 = 577,191,109.86 : x
  2. Step 2: Convert to fraction form
    765,354,886.26/1,055,625,852.80 = 577,191,109.86/x
  3. Step 3: Cross multiply
    765,354,886.26x = 1,055,625,852.80 × 577,191,109.86
  4. Step 4: Simplify right side
    765,354,886.26x = 609,297,857,574,540,928
  5. Step 5: Solve for x
    x = 609,297,857,574,540,928/765,354,886.26
  6. Step 6: Final answer
    x = 796,098,474.72

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Double scale
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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.