Home / 1,407,005,789.36-2,110,526,632.20-371,857,722.80

Finding the Fourth Proportional to 1,407,005,789.36, 2,110,526,632.20 and 371,857,722.80

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Solution

The fourth proportional to 1,407,005,789.36, 2,110,526,632.20 and 371,857,722.80 is: 557,791,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,005,789.36 : 2,110,526,632.20 = 371,857,722.80 : x
  2. Step 2: Convert to fraction form
    1,407,005,789.36/2,110,526,632.20 = 371,857,722.80/x
  3. Step 3: Cross multiply
    1,407,005,789.36x = 2,110,526,632.20 × 371,857,722.80
  4. Step 4: Simplify right side
    1,407,005,789.36x = 784,815,627,358,645,248
  5. Step 5: Solve for x
    x = 784,815,627,358,645,248/1,407,005,789.36
  6. Step 6: Final answer
    x = 557,791,327.72

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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.