Home / 826,166,368.95-1,140,098,894.70-449,818,640.15

Finding the Fourth Proportional to 826,166,368.95, 1,140,098,894.70 and 449,818,640.15

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Solution

The fourth proportional to 826,166,368.95, 1,140,098,894.70 and 449,818,640.15 is: 620,743,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,166,368.95 : 1,140,098,894.70 = 449,818,640.15 : x
  2. Step 2: Convert to fraction form
    826,166,368.95/1,140,098,894.70 = 449,818,640.15/x
  3. Step 3: Cross multiply
    826,166,368.95x = 1,140,098,894.70 × 449,818,640.15
  4. Step 4: Simplify right side
    826,166,368.95x = 512,837,734,443,062,144
  5. Step 5: Solve for x
    x = 512,837,734,443,062,144/826,166,368.95
  6. Step 6: Final answer
    x = 620,743,900.64

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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.