Home / 727,646,976,279.70-1,091,470,464,419.50-256,387,037,463.70

Finding the Fourth Proportional to 727,646,976,279.70, 1,091,470,464,419.50 and 256,387,037,463.70

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Solution

The fourth proportional to 727,646,976,279.70, 1,091,470,464,419.50 and 256,387,037,463.70 is: 384,580,556,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,646,976,279.70 : 1,091,470,464,419.50 = 256,387,037,463.70 : x
  2. Step 2: Convert to fraction form
    727,646,976,279.70/1,091,470,464,419.50 = 256,387,037,463.70/x
  3. Step 3: Cross multiply
    727,646,976,279.70x = 1,091,470,464,419.50 × 256,387,037,463.70
  4. Step 4: Simplify right side
    727,646,976,279.70x = 279,838,878,851,644,392,472,576
  5. Step 5: Solve for x
    x = 279,838,878,851,644,392,472,576/727,646,976,279.70
  6. Step 6: Final answer
    x = 384,580,556,195.53

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Double scale
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Similar ratio
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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.