Home / 789,718,879.40-1,184,578,319.10-560,136,367.40

Finding the Fourth Proportional to 789,718,879.40, 1,184,578,319.10 and 560,136,367.40

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Solution

The fourth proportional to 789,718,879.40, 1,184,578,319.10 and 560,136,367.40 is: 840,204,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,718,879.40 : 1,184,578,319.10 = 560,136,367.40 : x
  2. Step 2: Convert to fraction form
    789,718,879.40/1,184,578,319.10 = 560,136,367.40/x
  3. Step 3: Cross multiply
    789,718,879.40x = 1,184,578,319.10 × 560,136,367.40
  4. Step 4: Simplify right side
    789,718,879.40x = 663,525,396,561,472,000
  5. Step 5: Solve for x
    x = 663,525,396,561,472,000/789,718,879.40
  6. Step 6: Final answer
    x = 840,204,551.10

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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.