Home / 789,718,876.40-1,184,578,314.60-560,136,364.40

Finding the Fourth Proportional to 789,718,876.40, 1,184,578,314.60 and 560,136,364.40

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Solution

The fourth proportional to 789,718,876.40, 1,184,578,314.60 and 560,136,364.40 is: 840,204,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,718,876.40 : 1,184,578,314.60 = 560,136,364.40 : x
  2. Step 2: Convert to fraction form
    789,718,876.40/1,184,578,314.60 = 560,136,364.40/x
  3. Step 3: Cross multiply
    789,718,876.40x = 1,184,578,314.60 × 560,136,364.40
  4. Step 4: Simplify right side
    789,718,876.40x = 663,525,390,487,123,328
  5. Step 5: Solve for x
    x = 663,525,390,487,123,328/789,718,876.40
  6. Step 6: Final answer
    x = 840,204,546.60

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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.