Home / 774,939,965.30-1,162,409,947.95-283,489,900.55

Finding the Fourth Proportional to 774,939,965.30, 1,162,409,947.95 and 283,489,900.55

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Solution

The fourth proportional to 774,939,965.30, 1,162,409,947.95 and 283,489,900.55 is: 425,234,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,939,965.30 : 1,162,409,947.95 = 283,489,900.55 : x
  2. Step 2: Convert to fraction form
    774,939,965.30/1,162,409,947.95 = 283,489,900.55/x
  3. Step 3: Cross multiply
    774,939,965.30x = 1,162,409,947.95 × 283,489,900.55
  4. Step 4: Simplify right side
    774,939,965.30x = 329,531,480,542,676,224
  5. Step 5: Solve for x
    x = 329,531,480,542,676,224/774,939,965.30
  6. Step 6: Final answer
    x = 425,234,850.83

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Double scale
Find fourth proportional to 774,939,966.30, 1,162,409,949.45 and 283,489,901.55
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.