Home / 353,657,726.60-529,900,126.72-215,064,097.55

Finding the Fourth Proportional to 353,657,726.60, 529,900,126.72 and 215,064,097.55

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Solution

The fourth proportional to 353,657,726.60, 529,900,126.72 and 215,064,097.55 is: 322,239,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,657,726.60 : 529,900,126.72 = 215,064,097.55 : x
  2. Step 2: Convert to fraction form
    353,657,726.60/529,900,126.72 = 215,064,097.55/x
  3. Step 3: Cross multiply
    353,657,726.60x = 529,900,126.72 × 215,064,097.55
  4. Step 4: Simplify right side
    353,657,726.60x = 113,962,492,540,942,608
  5. Step 5: Solve for x
    x = 113,962,492,540,942,608/353,657,726.60
  6. Step 6: Final answer
    x = 322,239,510.04

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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.