Home / 947,662,827.84-1,422,108,045.36-511,264,736.28

Finding the Fourth Proportional to 947,662,827.84, 1,422,108,045.36 and 511,264,736.28

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Solution

The fourth proportional to 947,662,827.84, 1,422,108,045.36 and 511,264,736.28 is: 767,228,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,662,827.84 : 1,422,108,045.36 = 511,264,736.28 : x
  2. Step 2: Convert to fraction form
    947,662,827.84/1,422,108,045.36 = 511,264,736.28/x
  3. Step 3: Cross multiply
    947,662,827.84x = 1,422,108,045.36 × 511,264,736.28
  4. Step 4: Simplify right side
    947,662,827.84x = 727,073,694,772,646,528
  5. Step 5: Solve for x
    x = 727,073,694,772,646,528/947,662,827.84
  6. Step 6: Final answer
    x = 767,228,251.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.