Home / 545,748,608.10-818,622,912.15-416,608,445.10

Finding the Fourth Proportional to 545,748,608.10, 818,622,912.15 and 416,608,445.10

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Solution

The fourth proportional to 545,748,608.10, 818,622,912.15 and 416,608,445.10 is: 624,912,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,748,608.10 : 818,622,912.15 = 416,608,445.10 : x
  2. Step 2: Convert to fraction form
    545,748,608.10/818,622,912.15 = 416,608,445.10/x
  3. Step 3: Cross multiply
    545,748,608.10x = 818,622,912.15 × 416,608,445.10
  4. Step 4: Simplify right side
    545,748,608.10x = 341,045,218,554,045,376
  5. Step 5: Solve for x
    x = 341,045,218,554,045,376/545,748,608.10
  6. Step 6: Final answer
    x = 624,912,667.65

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Double scale
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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.