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Finding the Fourth Proportional to 611,071,706.96, 916,598,585.56 and 151,009,863.92

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Solution

The fourth proportional to 611,071,706.96, 916,598,585.56 and 151,009,863.92 is: 226,512,577.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,071,706.96 : 916,598,585.56 = 151,009,863.92 : x
  2. Step 2: Convert to fraction form
    611,071,706.96/916,598,585.56 = 151,009,863.92/x
  3. Step 3: Cross multiply
    611,071,706.96x = 916,598,585.56 × 151,009,863.92
  4. Step 4: Simplify right side
    611,071,706.96x = 138,415,427,674,680,064
  5. Step 5: Solve for x
    x = 138,415,427,674,680,064/611,071,706.96
  6. Step 6: Final answer
    x = 226,512,577.98

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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.