Home / 1,275,480,416.40-1,913,220,624.60-967,102,918.80

Finding the Fourth Proportional to 1,275,480,416.40, 1,913,220,624.60 and 967,102,918.80

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Solution

The fourth proportional to 1,275,480,416.40, 1,913,220,624.60 and 967,102,918.80 is: 1,450,654,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,480,416.40 : 1,913,220,624.60 = 967,102,918.80 : x
  2. Step 2: Convert to fraction form
    1,275,480,416.40/1,913,220,624.60 = 967,102,918.80/x
  3. Step 3: Cross multiply
    1,275,480,416.40x = 1,913,220,624.60 × 967,102,918.80
  4. Step 4: Simplify right side
    1,275,480,416.40x = 1,850,281,250,359,019,008
  5. Step 5: Solve for x
    x = 1,850,281,250,359,019,008/1,275,480,416.40
  6. Step 6: Final answer
    x = 1,450,654,378.20

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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.