Home / 434,500,590.30-651,750,885.45-378,380,420.70

Finding the Fourth Proportional to 434,500,590.30, 651,750,885.45 and 378,380,420.70

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Solution

The fourth proportional to 434,500,590.30, 651,750,885.45 and 378,380,420.70 is: 567,570,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,500,590.30 : 651,750,885.45 = 378,380,420.70 : x
  2. Step 2: Convert to fraction form
    434,500,590.30/651,750,885.45 = 378,380,420.70/x
  3. Step 3: Cross multiply
    434,500,590.30x = 651,750,885.45 × 378,380,420.70
  4. Step 4: Simplify right side
    434,500,590.30x = 246,609,774,228,168,512
  5. Step 5: Solve for x
    x = 246,609,774,228,168,512/434,500,590.30
  6. Step 6: Final answer
    x = 567,570,631.05

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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.