Home / 691,550,870.33-1,037,398,978.82-225,248,630.60

Finding the Fourth Proportional to 691,550,870.33, 1,037,398,978.82 and 225,248,630.60

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Solution

The fourth proportional to 691,550,870.33, 1,037,398,978.82 and 225,248,630.60 is: 337,896,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,550,870.33 : 1,037,398,978.82 = 225,248,630.60 : x
  2. Step 2: Convert to fraction form
    691,550,870.33/1,037,398,978.82 = 225,248,630.60/x
  3. Step 3: Cross multiply
    691,550,870.33x = 1,037,398,978.82 × 225,248,630.60
  4. Step 4: Simplify right side
    691,550,870.33x = 233,672,699,358,730,176
  5. Step 5: Solve for x
    x = 233,672,699,358,730,176/691,550,870.33
  6. Step 6: Final answer
    x = 337,896,616.70

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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.