Home / 718,968,314.20-1,078,452,471.30-370,289,874.10

Finding the Fourth Proportional to 718,968,314.20, 1,078,452,471.30 and 370,289,874.10

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Solution

The fourth proportional to 718,968,314.20, 1,078,452,471.30 and 370,289,874.10 is: 555,434,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,968,314.20 : 1,078,452,471.30 = 370,289,874.10 : x
  2. Step 2: Convert to fraction form
    718,968,314.20/1,078,452,471.30 = 370,289,874.10/x
  3. Step 3: Cross multiply
    718,968,314.20x = 1,078,452,471.30 × 370,289,874.10
  4. Step 4: Simplify right side
    718,968,314.20x = 399,340,029,820,510,848
  5. Step 5: Solve for x
    x = 399,340,029,820,510,848/718,968,314.20
  6. Step 6: Final answer
    x = 555,434,811.15

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Double scale
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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.