Home / 3,487,161,905.09-4,812,144,818.11-2,058,693,146.72

Finding the Fourth Proportional to 3,487,161,905.09, 4,812,144,818.11 and 2,058,693,146.72

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Solution

The fourth proportional to 3,487,161,905.09, 4,812,144,818.11 and 2,058,693,146.72 is: 2,840,914,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,161,905.09 : 4,812,144,818.11 = 2,058,693,146.72 : x
  2. Step 2: Convert to fraction form
    3,487,161,905.09/4,812,144,818.11 = 2,058,693,146.72/x
  3. Step 3: Cross multiply
    3,487,161,905.09x = 4,812,144,818.11 × 2,058,693,146.72
  4. Step 4: Simplify right side
    3,487,161,905.09x = 9,906,729,558,038,009,856
  5. Step 5: Solve for x
    x = 9,906,729,558,038,009,856/3,487,161,905.09
  6. Step 6: Final answer
    x = 2,840,914,711.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.