Home / 347,840,008.40-521,760,012.60-233,178,222.80

Finding the Fourth Proportional to 347,840,008.40, 521,760,012.60 and 233,178,222.80

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Solution

The fourth proportional to 347,840,008.40, 521,760,012.60 and 233,178,222.80 is: 349,767,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,840,008.40 : 521,760,012.60 = 233,178,222.80 : x
  2. Step 2: Convert to fraction form
    347,840,008.40/521,760,012.60 = 233,178,222.80/x
  3. Step 3: Cross multiply
    347,840,008.40x = 521,760,012.60 × 233,178,222.80
  4. Step 4: Simplify right side
    347,840,008.40x = 121,663,072,466,173,616
  5. Step 5: Solve for x
    x = 121,663,072,466,173,616/347,840,008.40
  6. Step 6: Final answer
    x = 349,767,334.20

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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.