Home / 325,915,192.36-450,947,315.76-284,186,272.84

Finding the Fourth Proportional to 325,915,192.36, 450,947,315.76 and 284,186,272.84

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Solution

The fourth proportional to 325,915,192.36, 450,947,315.76 and 284,186,272.84 is: 393,209,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,915,192.36 : 450,947,315.76 = 284,186,272.84 : x
  2. Step 2: Convert to fraction form
    325,915,192.36/450,947,315.76 = 284,186,272.84/x
  3. Step 3: Cross multiply
    325,915,192.36x = 450,947,315.76 × 284,186,272.84
  4. Step 4: Simplify right side
    325,915,192.36x = 128,153,036,913,036,976
  5. Step 5: Solve for x
    x = 128,153,036,913,036,976/325,915,192.36
  6. Step 6: Final answer
    x = 393,209,767.19

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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.