Home / 619,400,385.20-929,100,577.80-343,901,370.80

Finding the Fourth Proportional to 619,400,385.20, 929,100,577.80 and 343,901,370.80

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Solution

The fourth proportional to 619,400,385.20, 929,100,577.80 and 343,901,370.80 is: 515,852,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,400,385.20 : 929,100,577.80 = 343,901,370.80 : x
  2. Step 2: Convert to fraction form
    619,400,385.20/929,100,577.80 = 343,901,370.80/x
  3. Step 3: Cross multiply
    619,400,385.20x = 929,100,577.80 × 343,901,370.80
  4. Step 4: Simplify right side
    619,400,385.20x = 319,518,962,316,492,032
  5. Step 5: Solve for x
    x = 319,518,962,316,492,032/619,400,385.20
  6. Step 6: Final answer
    x = 515,852,056.20

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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.