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Finding the Fourth Proportional to 662,034,052.88, 993,079,029.12 and 195,696,543.68

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Solution

The fourth proportional to 662,034,052.88, 993,079,029.12 and 195,696,543.68 is: 293,553,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,034,052.88 : 993,079,029.12 = 195,696,543.68 : x
  2. Step 2: Convert to fraction form
    662,034,052.88/993,079,029.12 = 195,696,543.68/x
  3. Step 3: Cross multiply
    662,034,052.88x = 993,079,029.12 × 195,696,543.68
  4. Step 4: Simplify right side
    662,034,052.88x = 194,342,133,599,874,080
  5. Step 5: Solve for x
    x = 194,342,133,599,874,080/662,034,052.88
  6. Step 6: Final answer
    x = 293,553,077.45

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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.