Home / 347,755,376.40-521,633,064.60-186,512,240.40

Finding the Fourth Proportional to 347,755,376.40, 521,633,064.60 and 186,512,240.40

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Solution

The fourth proportional to 347,755,376.40, 521,633,064.60 and 186,512,240.40 is: 279,768,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,755,376.40 : 521,633,064.60 = 186,512,240.40 : x
  2. Step 2: Convert to fraction form
    347,755,376.40/521,633,064.60 = 186,512,240.40/x
  3. Step 3: Cross multiply
    347,755,376.40x = 521,633,064.60 × 186,512,240.40
  4. Step 4: Simplify right side
    347,755,376.40x = 97,290,951,545,263,936
  5. Step 5: Solve for x
    x = 97,290,951,545,263,936/347,755,376.40
  6. Step 6: Final answer
    x = 279,768,360.60

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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.