Home / 718,928,225.51-1,078,423,109.40-282,323,380.46

Finding the Fourth Proportional to 718,928,225.51, 1,078,423,109.40 and 282,323,380.46

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Solution

The fourth proportional to 718,928,225.51, 1,078,423,109.40 and 282,323,380.46 is: 423,497,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,928,225.51 : 1,078,423,109.40 = 282,323,380.46 : x
  2. Step 2: Convert to fraction form
    718,928,225.51/1,078,423,109.40 = 282,323,380.46/x
  3. Step 3: Cross multiply
    718,928,225.51x = 1,078,423,109.40 × 282,323,380.46
  4. Step 4: Simplify right side
    718,928,225.51x = 304,464,057,811,992,384
  5. Step 5: Solve for x
    x = 304,464,057,811,992,384/718,928,225.51
  6. Step 6: Final answer
    x = 423,497,154.53

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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.