Home / 746,498,987.80-1,119,748,481.70-565,100,459.80

Finding the Fourth Proportional to 746,498,987.80, 1,119,748,481.70 and 565,100,459.80

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Solution

The fourth proportional to 746,498,987.80, 1,119,748,481.70 and 565,100,459.80 is: 847,650,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,498,987.80 : 1,119,748,481.70 = 565,100,459.80 : x
  2. Step 2: Convert to fraction form
    746,498,987.80/1,119,748,481.70 = 565,100,459.80/x
  3. Step 3: Cross multiply
    746,498,987.80x = 1,119,748,481.70 × 565,100,459.80
  4. Step 4: Simplify right side
    746,498,987.80x = 632,770,381,869,021,824
  5. Step 5: Solve for x
    x = 632,770,381,869,021,824/746,498,987.80
  6. Step 6: Final answer
    x = 847,650,689.70

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Double scale
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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.