Home / 1,637,510,431.12-2,455,366,133.56-806,635,888.72

Finding the Fourth Proportional to 1,637,510,431.12, 2,455,366,133.56 and 806,635,888.72

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Solution

The fourth proportional to 1,637,510,431.12, 2,455,366,133.56 and 806,635,888.72 is: 1,209,510,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,510,431.12 : 2,455,366,133.56 = 806,635,888.72 : x
  2. Step 2: Convert to fraction form
    1,637,510,431.12/2,455,366,133.56 = 806,635,888.72/x
  3. Step 3: Cross multiply
    1,637,510,431.12x = 2,455,366,133.56 × 806,635,888.72
  4. Step 4: Simplify right side
    1,637,510,431.12x = 1,980,586,443,277,160,960
  5. Step 5: Solve for x
    x = 1,980,586,443,277,160,960/1,637,510,431.12
  6. Step 6: Final answer
    x = 1,209,510,733.88

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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.