Home / 463,665,683.19-639,864,881.74-251,976,715.85

Finding the Fourth Proportional to 463,665,683.19, 639,864,881.74 and 251,976,715.85

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Solution

The fourth proportional to 463,665,683.19, 639,864,881.74 and 251,976,715.85 is: 347,731,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,665,683.19 : 639,864,881.74 = 251,976,715.85 : x
  2. Step 2: Convert to fraction form
    463,665,683.19/639,864,881.74 = 251,976,715.85/x
  3. Step 3: Cross multiply
    463,665,683.19x = 639,864,881.74 × 251,976,715.85
  4. Step 4: Simplify right side
    463,665,683.19x = 161,231,051,490,508,480
  5. Step 5: Solve for x
    x = 161,231,051,490,508,480/463,665,683.19
  6. Step 6: Final answer
    x = 347,731,258.39

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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.