Home / 309,333,705-426,776,045.30-175,357,257.72

Finding the Fourth Proportional to 309,333,705, 426,776,045.30 and 175,357,257.72

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Solution

The fourth proportional to 309,333,705, 426,776,045.30 and 175,357,257.72 is: 241,933,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,333,705 : 426,776,045.30 = 175,357,257.72 : x
  2. Step 2: Convert to fraction form
    309,333,705/426,776,045.30 = 175,357,257.72/x
  3. Step 3: Cross multiply
    309,333,705x = 426,776,045.30 × 175,357,257.72
  4. Step 4: Simplify right side
    309,333,705x = 74,838,276,964,394,496
  5. Step 5: Solve for x
    x = 74,838,276,964,394,496/309,333,705
  6. Step 6: Final answer
    x = 241,933,794.33

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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.