Home / 826,166,369.95-1,140,098,896.08-449,818,641.15

Finding the Fourth Proportional to 826,166,369.95, 1,140,098,896.08 and 449,818,641.15

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Solution

The fourth proportional to 826,166,369.95, 1,140,098,896.08 and 449,818,641.15 is: 620,743,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,166,369.95 : 1,140,098,896.08 = 449,818,641.15 : x
  2. Step 2: Convert to fraction form
    826,166,369.95/1,140,098,896.08 = 449,818,641.15/x
  3. Step 3: Cross multiply
    826,166,369.95x = 1,140,098,896.08 × 449,818,641.15
  4. Step 4: Simplify right side
    826,166,369.95x = 512,837,736,211,320,576
  5. Step 5: Solve for x
    x = 512,837,736,211,320,576/826,166,369.95
  6. Step 6: Final answer
    x = 620,743,902.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.