Home / 1,122,400,906.73-1,548,183,422.55-719,877,083.19

Finding the Fourth Proportional to 1,122,400,906.73, 1,548,183,422.55 and 719,877,083.19

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Solution

The fourth proportional to 1,122,400,906.73, 1,548,183,422.55 and 719,877,083.19 is: 992,962,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,400,906.73 : 1,548,183,422.55 = 719,877,083.19 : x
  2. Step 2: Convert to fraction form
    1,122,400,906.73/1,548,183,422.55 = 719,877,083.19/x
  3. Step 3: Cross multiply
    1,122,400,906.73x = 1,548,183,422.55 × 719,877,083.19
  4. Step 4: Simplify right side
    1,122,400,906.73x = 1,114,501,766,468,405,376
  5. Step 5: Solve for x
    x = 1,114,501,766,468,405,376/1,122,400,906.73
  6. Step 6: Final answer
    x = 992,962,282.72

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Double scale
Find fourth proportional to 1,122,400,907.73, 1,548,183,423.93 and 719,877,084.19
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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.