Home / 1,210,432,833.40-1,815,649,250.10-797,184,311.80

Finding the Fourth Proportional to 1,210,432,833.40, 1,815,649,250.10 and 797,184,311.80

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Solution

The fourth proportional to 1,210,432,833.40, 1,815,649,250.10 and 797,184,311.80 is: 1,195,776,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,432,833.40 : 1,815,649,250.10 = 797,184,311.80 : x
  2. Step 2: Convert to fraction form
    1,210,432,833.40/1,815,649,250.10 = 797,184,311.80/x
  3. Step 3: Cross multiply
    1,210,432,833.40x = 1,815,649,250.10 × 797,184,311.80
  4. Step 4: Simplify right side
    1,210,432,833.40x = 1,447,407,097,911,154,432
  5. Step 5: Solve for x
    x = 1,447,407,097,911,154,432/1,210,432,833.40
  6. Step 6: Final answer
    x = 1,195,776,467.70

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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.