Home / 313,517,343.52-432,015,873.60-242,521,643.80

Finding the Fourth Proportional to 313,517,343.52, 432,015,873.60 and 242,521,643.80

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Solution

The fourth proportional to 313,517,343.52, 432,015,873.60 and 242,521,643.80 is: 334,186,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,517,343.52 : 432,015,873.60 = 242,521,643.80 : x
  2. Step 2: Convert to fraction form
    313,517,343.52/432,015,873.60 = 242,521,643.80/x
  3. Step 3: Cross multiply
    313,517,343.52x = 432,015,873.60 × 242,521,643.80
  4. Step 4: Simplify right side
    313,517,343.52x = 104,773,199,813,165,040
  5. Step 5: Solve for x
    x = 104,773,199,813,165,040/313,517,343.52
  6. Step 6: Final answer
    x = 334,186,296.16

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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.