Home / 314,929,710.90-472,394,566.35-200,421,890.10

Finding the Fourth Proportional to 314,929,710.90, 472,394,566.35 and 200,421,890.10

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Solution

The fourth proportional to 314,929,710.90, 472,394,566.35 and 200,421,890.10 is: 300,632,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,710.90 : 472,394,566.35 = 200,421,890.10 : x
  2. Step 2: Convert to fraction form
    314,929,710.90/472,394,566.35 = 200,421,890.10/x
  3. Step 3: Cross multiply
    314,929,710.90x = 472,394,566.35 × 200,421,890.10
  4. Step 4: Simplify right side
    314,929,710.90x = 94,678,211,860,836,864
  5. Step 5: Solve for x
    x = 94,678,211,860,836,864/314,929,710.90
  6. Step 6: Final answer
    x = 300,632,835.15

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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.