Home / 347,736,018.80-521,604,028.20-156,633,042.80

Finding the Fourth Proportional to 347,736,018.80, 521,604,028.20 and 156,633,042.80

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Solution

The fourth proportional to 347,736,018.80, 521,604,028.20 and 156,633,042.80 is: 234,949,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,018.80 : 521,604,028.20 = 156,633,042.80 : x
  2. Step 2: Convert to fraction form
    347,736,018.80/521,604,028.20 = 156,633,042.80/x
  3. Step 3: Cross multiply
    347,736,018.80x = 521,604,028.20 × 156,633,042.80
  4. Step 4: Simplify right side
    347,736,018.80x = 81,700,426,073,703,008
  5. Step 5: Solve for x
    x = 81,700,426,073,703,008/347,736,018.80
  6. Step 6: Final answer
    x = 234,949,564.20

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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.