Home / 459,926,979.16-634,696,002.46-251,083,121.81

Finding the Fourth Proportional to 459,926,979.16, 634,696,002.46 and 251,083,121.81

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Solution

The fourth proportional to 459,926,979.16, 634,696,002.46 and 251,083,121.81 is: 346,492,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,926,979.16 : 634,696,002.46 = 251,083,121.81 : x
  2. Step 2: Convert to fraction form
    459,926,979.16/634,696,002.46 = 251,083,121.81/x
  3. Step 3: Cross multiply
    459,926,979.16x = 634,696,002.46 × 251,083,121.81
  4. Step 4: Simplify right side
    459,926,979.16x = 159,361,453,694,359,872
  5. Step 5: Solve for x
    x = 159,361,453,694,359,872/459,926,979.16
  6. Step 6: Final answer
    x = 346,492,945.44

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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.