Home / 1,124,039,190.89-1,551,192,447.91-615,393,418.40

Finding the Fourth Proportional to 1,124,039,190.89, 1,551,192,447.91 and 615,393,418.40

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Solution

The fourth proportional to 1,124,039,190.89, 1,551,192,447.91 and 615,393,418.40 is: 849,252,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,039,190.89 : 1,551,192,447.91 = 615,393,418.40 : x
  2. Step 2: Convert to fraction form
    1,124,039,190.89/1,551,192,447.91 = 615,393,418.40/x
  3. Step 3: Cross multiply
    1,124,039,190.89x = 1,551,192,447.91 × 615,393,418.40
  4. Step 4: Simplify right side
    1,124,039,190.89x = 954,593,623,115,598,848
  5. Step 5: Solve for x
    x = 954,593,623,115,598,848/1,124,039,190.89
  6. Step 6: Final answer
    x = 849,252,971.65

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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.