Home / 523,710,942.31-784,677,448.53-316,012,949.25

Finding the Fourth Proportional to 523,710,942.31, 784,677,448.53 and 316,012,949.25

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Solution

The fourth proportional to 523,710,942.31, 784,677,448.53 and 316,012,949.25 is: 473,483,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,710,942.31 : 784,677,448.53 = 316,012,949.25 : x
  2. Step 2: Convert to fraction form
    523,710,942.31/784,677,448.53 = 316,012,949.25/x
  3. Step 3: Cross multiply
    523,710,942.31x = 784,677,448.53 × 316,012,949.25
  4. Step 4: Simplify right side
    523,710,942.31x = 247,968,234,722,298,336
  5. Step 5: Solve for x
    x = 247,968,234,722,298,336/523,710,942.31
  6. Step 6: Final answer
    x = 473,483,012.65

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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.