Home / 434,499,751.80-651,749,627.70-378,379,582.20

Finding the Fourth Proportional to 434,499,751.80, 651,749,627.70 and 378,379,582.20

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Solution

The fourth proportional to 434,499,751.80, 651,749,627.70 and 378,379,582.20 is: 567,569,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,499,751.80 : 651,749,627.70 = 378,379,582.20 : x
  2. Step 2: Convert to fraction form
    434,499,751.80/651,749,627.70 = 378,379,582.20/x
  3. Step 3: Cross multiply
    434,499,751.80x = 651,749,627.70 × 378,379,582.20
  4. Step 4: Simplify right side
    434,499,751.80x = 246,608,751,828,131,552
  5. Step 5: Solve for x
    x = 246,608,751,828,131,552/434,499,751.80
  6. Step 6: Final answer
    x = 567,569,373.30

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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.