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Finding the Fourth Proportional to 956,772,084.60, 1,343,108,889 and 956,772,084.60

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Solution

The fourth proportional to 956,772,084.60, 1,343,108,889 and 956,772,084.60 is: 1,343,108,889

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,772,084.60 : 1,343,108,889 = 956,772,084.60 : x
  2. Step 2: Convert to fraction form
    956,772,084.60/1,343,108,889 = 956,772,084.60/x
  3. Step 3: Cross multiply
    956,772,084.60x = 1,343,108,889 × 956,772,084.60
  4. Step 4: Simplify right side
    956,772,084.60x = 1,285,049,091,573,319,936
  5. Step 5: Solve for x
    x = 1,285,049,091,573,319,936/956,772,084.60
  6. Step 6: Final answer
    x = 1,343,108,889

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.