Home / 1,031,131,162.76-1,422,991,799.34-634,882,749.44

Finding the Fourth Proportional to 1,031,131,162.76, 1,422,991,799.34 and 634,882,749.44

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Solution

The fourth proportional to 1,031,131,162.76, 1,422,991,799.34 and 634,882,749.44 is: 876,157,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,131,162.76 : 1,422,991,799.34 = 634,882,749.44 : x
  2. Step 2: Convert to fraction form
    1,031,131,162.76/1,422,991,799.34 = 634,882,749.44/x
  3. Step 3: Cross multiply
    1,031,131,162.76x = 1,422,991,799.34 × 634,882,749.44
  4. Step 4: Simplify right side
    1,031,131,162.76x = 903,432,945,995,552,000
  5. Step 5: Solve for x
    x = 903,432,945,995,552,000/1,031,131,162.76
  6. Step 6: Final answer
    x = 876,157,155.00

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.