Home / 508,054,265.78-701,361,228.69-340,729,319.61

Finding the Fourth Proportional to 508,054,265.78, 701,361,228.69 and 340,729,319.61

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Solution

The fourth proportional to 508,054,265.78, 701,361,228.69 and 340,729,319.61 is: 470,371,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,054,265.78 : 701,361,228.69 = 340,729,319.61 : x
  2. Step 2: Convert to fraction form
    508,054,265.78/701,361,228.69 = 340,729,319.61/x
  3. Step 3: Cross multiply
    508,054,265.78x = 701,361,228.69 × 340,729,319.61
  4. Step 4: Simplify right side
    508,054,265.78x = 238,974,334,252,377,344
  5. Step 5: Solve for x
    x = 238,974,334,252,377,344/508,054,265.78
  6. Step 6: Final answer
    x = 470,371,671.59

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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.