Home / 319,343,479.77-440,691,435.27-185,393,825.13

Finding the Fourth Proportional to 319,343,479.77, 440,691,435.27 and 185,393,825.13

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Solution

The fourth proportional to 319,343,479.77, 440,691,435.27 and 185,393,825.13 is: 255,841,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,343,479.77 : 440,691,435.27 = 185,393,825.13 : x
  2. Step 2: Convert to fraction form
    319,343,479.77/440,691,435.27 = 185,393,825.13/x
  3. Step 3: Cross multiply
    319,343,479.77x = 440,691,435.27 × 185,393,825.13
  4. Step 4: Simplify right side
    319,343,479.77x = 81,701,470,886,735,088
  5. Step 5: Solve for x
    x = 81,701,470,886,735,088/319,343,479.77
  6. Step 6: Final answer
    x = 255,841,988.52

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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.