Home / 607,253,900.58-838,010,778.21-328,795,612.74

Finding the Fourth Proportional to 607,253,900.58, 838,010,778.21 and 328,795,612.74

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Solution

The fourth proportional to 607,253,900.58, 838,010,778.21 and 328,795,612.74 is: 453,738,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,253,900.58 : 838,010,778.21 = 328,795,612.74 : x
  2. Step 2: Convert to fraction form
    607,253,900.58/838,010,778.21 = 328,795,612.74/x
  3. Step 3: Cross multiply
    607,253,900.58x = 838,010,778.21 × 328,795,612.74
  4. Step 4: Simplify right side
    607,253,900.58x = 275,534,267,304,281,216
  5. Step 5: Solve for x
    x = 275,534,267,304,281,216/607,253,900.58
  6. Step 6: Final answer
    x = 453,738,159.67

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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.