Home / 479,675,005.46-719,403,734.80-217,186,274.06

Finding the Fourth Proportional to 479,675,005.46, 719,403,734.80 and 217,186,274.06

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Solution

The fourth proportional to 479,675,005.46, 719,403,734.80 and 217,186,274.06 is: 325,730,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,675,005.46 : 719,403,734.80 = 217,186,274.06 : x
  2. Step 2: Convert to fraction form
    479,675,005.46/719,403,734.80 = 217,186,274.06/x
  3. Step 3: Cross multiply
    479,675,005.46x = 719,403,734.80 × 217,186,274.06
  4. Step 4: Simplify right side
    479,675,005.46x = 156,244,616,706,060,352
  5. Step 5: Solve for x
    x = 156,244,616,706,060,352/479,675,005.46
  6. Step 6: Final answer
    x = 325,730,160.90

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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.