Home / 442,868,000.90-664,302,001.35-258,446,164.10

Finding the Fourth Proportional to 442,868,000.90, 664,302,001.35 and 258,446,164.10

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Solution

The fourth proportional to 442,868,000.90, 664,302,001.35 and 258,446,164.10 is: 387,669,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,000.90 : 664,302,001.35 = 258,446,164.10 : x
  2. Step 2: Convert to fraction form
    442,868,000.90/664,302,001.35 = 258,446,164.10/x
  3. Step 3: Cross multiply
    442,868,000.90x = 664,302,001.35 × 258,446,164.10
  4. Step 4: Simplify right side
    442,868,000.90x = 171,686,304,052,860,512
  5. Step 5: Solve for x
    x = 171,686,304,052,860,512/442,868,000.90
  6. Step 6: Final answer
    x = 387,669,246.15

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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.