Home / 531,214,781.36-795,755,039.54-264,517,016.36

Finding the Fourth Proportional to 531,214,781.36, 795,755,039.54 and 264,517,016.36

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Solution

The fourth proportional to 531,214,781.36, 795,755,039.54 and 264,517,016.36 is: 396,244,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,214,781.36 : 795,755,039.54 = 264,517,016.36 : x
  2. Step 2: Convert to fraction form
    531,214,781.36/795,755,039.54 = 264,517,016.36/x
  3. Step 3: Cross multiply
    531,214,781.36x = 795,755,039.54 × 264,517,016.36
  4. Step 4: Simplify right side
    531,214,781.36x = 210,490,748,813,221,440
  5. Step 5: Solve for x
    x = 210,490,748,813,221,440/531,214,781.36
  6. Step 6: Final answer
    x = 396,244,148.70

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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.