Home / 689,413,502.81-951,684,194.16-463,483,517.74

Finding the Fourth Proportional to 689,413,502.81, 951,684,194.16 and 463,483,517.74

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Solution

The fourth proportional to 689,413,502.81, 951,684,194.16 and 463,483,517.74 is: 639,804,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,413,502.81 : 951,684,194.16 = 463,483,517.74 : x
  2. Step 2: Convert to fraction form
    689,413,502.81/951,684,194.16 = 463,483,517.74/x
  3. Step 3: Cross multiply
    689,413,502.81x = 951,684,194.16 × 463,483,517.74
  4. Step 4: Simplify right side
    689,413,502.81x = 441,089,938,084,454,720
  5. Step 5: Solve for x
    x = 441,089,938,084,454,720/689,413,502.81
  6. Step 6: Final answer
    x = 639,804,611.14

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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.