Home / 834,810,889.28-1,152,486,290.00-643,654,405.37

Finding the Fourth Proportional to 834,810,889.28, 1,152,486,290.00 and 643,654,405.37

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Solution

The fourth proportional to 834,810,889.28, 1,152,486,290.00 and 643,654,405.37 is: 888,587,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,810,889.28 : 1,152,486,290.00 = 643,654,405.37 : x
  2. Step 2: Convert to fraction form
    834,810,889.28/1,152,486,290.00 = 643,654,405.37/x
  3. Step 3: Cross multiply
    834,810,889.28x = 1,152,486,290.00 × 643,654,405.37
  4. Step 4: Simplify right side
    834,810,889.28x = 741,802,877,678,046,592
  5. Step 5: Solve for x
    x = 741,802,877,678,046,592/834,810,889.28
  6. Step 6: Final answer
    x = 888,587,927.17

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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.