Home / 1,124,799,659.10-1,687,199,488.65-397,788,371.10

Finding the Fourth Proportional to 1,124,799,659.10, 1,687,199,488.65 and 397,788,371.10

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Solution

The fourth proportional to 1,124,799,659.10, 1,687,199,488.65 and 397,788,371.10 is: 596,682,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,799,659.10 : 1,687,199,488.65 = 397,788,371.10 : x
  2. Step 2: Convert to fraction form
    1,124,799,659.10/1,687,199,488.65 = 397,788,371.10/x
  3. Step 3: Cross multiply
    1,124,799,659.10x = 1,687,199,488.65 × 397,788,371.10
  4. Step 4: Simplify right side
    1,124,799,659.10x = 671,148,336,310,836,480
  5. Step 5: Solve for x
    x = 671,148,336,310,836,480/1,124,799,659.10
  6. Step 6: Final answer
    x = 596,682,556.65

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Half scale
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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.