Home / 931,955,976.27-1,397,570,664.52-349,372,342.13

Finding the Fourth Proportional to 931,955,976.27, 1,397,570,664.52 and 349,372,342.13

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Solution

The fourth proportional to 931,955,976.27, 1,397,570,664.52 and 349,372,342.13 is: 523,922,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,955,976.27 : 1,397,570,664.52 = 349,372,342.13 : x
  2. Step 2: Convert to fraction form
    931,955,976.27/1,397,570,664.52 = 349,372,342.13/x
  3. Step 3: Cross multiply
    931,955,976.27x = 1,397,570,664.52 × 349,372,342.13
  4. Step 4: Simplify right side
    931,955,976.27x = 488,272,536,348,999,232
  5. Step 5: Solve for x
    x = 488,272,536,348,999,232/931,955,976.27
  6. Step 6: Final answer
    x = 523,922,319.06

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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.