Home / 457,364,755.76-631,161,988.80-248,521,535.60

Finding the Fourth Proportional to 457,364,755.76, 631,161,988.80 and 248,521,535.60

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Solution

The fourth proportional to 457,364,755.76, 631,161,988.80 and 248,521,535.60 is: 342,958,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,364,755.76 : 631,161,988.80 = 248,521,535.60 : x
  2. Step 2: Convert to fraction form
    457,364,755.76/631,161,988.80 = 248,521,535.60/x
  3. Step 3: Cross multiply
    457,364,755.76x = 631,161,988.80 × 248,521,535.60
  4. Step 4: Simplify right side
    457,364,755.76x = 156,857,346,668,925,984
  5. Step 5: Solve for x
    x = 156,857,346,668,925,984/457,364,755.76
  6. Step 6: Final answer
    x = 342,958,972.45

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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.