Home / 1,124,040,418.20-1,551,194,141.31-615,394,644.93

Finding the Fourth Proportional to 1,124,040,418.20, 1,551,194,141.31 and 615,394,644.93

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Solution

The fourth proportional to 1,124,040,418.20, 1,551,194,141.31 and 615,394,644.93 is: 849,254,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,040,418.20 : 1,551,194,141.31 = 615,394,644.93 : x
  2. Step 2: Convert to fraction form
    1,124,040,418.20/1,551,194,141.31 = 615,394,644.93/x
  3. Step 3: Cross multiply
    1,124,040,418.20x = 1,551,194,141.31 × 615,394,644.93
  4. Step 4: Simplify right side
    1,124,040,418.20x = 954,596,567,808,963,584
  5. Step 5: Solve for x
    x = 954,596,567,808,963,584/1,124,040,418.20
  6. Step 6: Final answer
    x = 849,254,664.11

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Double scale
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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.