Home / 788,680,480.08-1,082,679,738.15-676,977,394.76

Finding the Fourth Proportional to 788,680,480.08, 1,082,679,738.15 and 676,977,394.76

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Solution

The fourth proportional to 788,680,480.08, 1,082,679,738.15 and 676,977,394.76 is: 929,336,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,680,480.08 : 1,082,679,738.15 = 676,977,394.76 : x
  2. Step 2: Convert to fraction form
    788,680,480.08/1,082,679,738.15 = 676,977,394.76/x
  3. Step 3: Cross multiply
    788,680,480.08x = 1,082,679,738.15 × 676,977,394.76
  4. Step 4: Simplify right side
    788,680,480.08x = 732,949,708,492,226,048
  5. Step 5: Solve for x
    x = 732,949,708,492,226,048/788,680,480.08
  6. Step 6: Final answer
    x = 929,336,692.11

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Half scale
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Double scale
Find fourth proportional to 788,680,481.08, 1,082,679,739.52 and 676,977,395.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.