Home / 384,007,719.12-529,932,056.76-207,795,716.16

Finding the Fourth Proportional to 384,007,719.12, 529,932,056.76 and 207,795,716.16

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Solution

The fourth proportional to 384,007,719.12, 529,932,056.76 and 207,795,716.16 is: 286,758,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,007,719.12 : 529,932,056.76 = 207,795,716.16 : x
  2. Step 2: Convert to fraction form
    384,007,719.12/529,932,056.76 = 207,795,716.16/x
  3. Step 3: Cross multiply
    384,007,719.12x = 529,932,056.76 × 207,795,716.16
  4. Step 4: Simplify right side
    384,007,719.12x = 110,117,611,250,585,968
  5. Step 5: Solve for x
    x = 110,117,611,250,585,968/384,007,719.12
  6. Step 6: Final answer
    x = 286,758,848.24

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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.