Home / 645,234,116,622.35-967,374,034,775.75-390,206,803,233.92

Finding the Fourth Proportional to 645,234,116,622.35, 967,374,034,775.75 and 390,206,803,233.92

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Solution

The fourth proportional to 645,234,116,622.35, 967,374,034,775.75 and 390,206,803,233.92 is: 585,021,653,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,234,116,622.35 : 967,374,034,775.75 = 390,206,803,233.92 : x
  2. Step 2: Convert to fraction form
    645,234,116,622.35/967,374,034,775.75 = 390,206,803,233.92/x
  3. Step 3: Cross multiply
    645,234,116,622.35x = 967,374,034,775.75 × 390,206,803,233.92
  4. Step 4: Simplify right side
    645,234,116,622.35x = 377,475,929,641,344,372,310,016
  5. Step 5: Solve for x
    x = 377,475,929,641,344,372,310,016/645,234,116,622.35
  6. Step 6: Final answer
    x = 585,021,653,252.53

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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.