Home / 347,736,632.80-521,604,949.20-156,633,656.80

Finding the Fourth Proportional to 347,736,632.80, 521,604,949.20 and 156,633,656.80

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Solution

The fourth proportional to 347,736,632.80, 521,604,949.20 and 156,633,656.80 is: 234,950,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,632.80 : 521,604,949.20 = 156,633,656.80 : x
  2. Step 2: Convert to fraction form
    347,736,632.80/521,604,949.20 = 156,633,656.80/x
  3. Step 3: Cross multiply
    347,736,632.80x = 521,604,949.20 × 156,633,656.80
  4. Step 4: Simplify right side
    347,736,632.80x = 81,700,890,598,174,240
  5. Step 5: Solve for x
    x = 81,700,890,598,174,240/347,736,632.80
  6. Step 6: Final answer
    x = 234,950,485.20

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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.