Home / 718,928,227.26-1,078,423,112.03-282,323,382.21

Finding the Fourth Proportional to 718,928,227.26, 1,078,423,112.03 and 282,323,382.21

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Solution

The fourth proportional to 718,928,227.26, 1,078,423,112.03 and 282,323,382.21 is: 423,497,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,928,227.26 : 1,078,423,112.03 = 282,323,382.21 : x
  2. Step 2: Convert to fraction form
    718,928,227.26/1,078,423,112.03 = 282,323,382.21/x
  3. Step 3: Cross multiply
    718,928,227.26x = 1,078,423,112.03 × 282,323,382.21
  4. Step 4: Simplify right side
    718,928,227.26x = 304,464,060,440,331,712
  5. Step 5: Solve for x
    x = 304,464,060,440,331,712/718,928,227.26
  6. Step 6: Final answer
    x = 423,497,157.15

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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.