Home / 885,754,833.20-1,328,632,249.80-477,608,145.20

Finding the Fourth Proportional to 885,754,833.20, 1,328,632,249.80 and 477,608,145.20

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Solution

The fourth proportional to 885,754,833.20, 1,328,632,249.80 and 477,608,145.20 is: 716,412,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,754,833.20 : 1,328,632,249.80 = 477,608,145.20 : x
  2. Step 2: Convert to fraction form
    885,754,833.20/1,328,632,249.80 = 477,608,145.20/x
  3. Step 3: Cross multiply
    885,754,833.20x = 1,328,632,249.80 × 477,608,145.20
  4. Step 4: Simplify right side
    885,754,833.20x = 634,565,584,479,881,088
  5. Step 5: Solve for x
    x = 634,565,584,479,881,088/885,754,833.20
  6. Step 6: Final answer
    x = 716,412,217.80

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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.