Home / 1,277,191,279.40-1,915,786,919.10-551,597,167.40

Finding the Fourth Proportional to 1,277,191,279.40, 1,915,786,919.10 and 551,597,167.40

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Solution

The fourth proportional to 1,277,191,279.40, 1,915,786,919.10 and 551,597,167.40 is: 827,395,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,191,279.40 : 1,915,786,919.10 = 551,597,167.40 : x
  2. Step 2: Convert to fraction form
    1,277,191,279.40/1,915,786,919.10 = 551,597,167.40/x
  3. Step 3: Cross multiply
    1,277,191,279.40x = 1,915,786,919.10 × 551,597,167.40
  4. Step 4: Simplify right side
    1,277,191,279.40x = 1,056,742,637,917,532,800
  5. Step 5: Solve for x
    x = 1,056,742,637,917,532,800/1,277,191,279.40
  6. Step 6: Final answer
    x = 827,395,751.10

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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.