Home / 514,015,780.32-770,368,620.24-240,784,247.52

Finding the Fourth Proportional to 514,015,780.32, 770,368,620.24 and 240,784,247.52

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Solution

The fourth proportional to 514,015,780.32, 770,368,620.24 and 240,784,247.52 is: 360,869,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,015,780.32 : 770,368,620.24 = 240,784,247.52 : x
  2. Step 2: Convert to fraction form
    514,015,780.32/770,368,620.24 = 240,784,247.52/x
  3. Step 3: Cross multiply
    514,015,780.32x = 770,368,620.24 × 240,784,247.52
  4. Step 4: Simplify right side
    514,015,780.32x = 185,492,628,537,509,056
  5. Step 5: Solve for x
    x = 185,492,628,537,509,056/514,015,780.32
  6. Step 6: Final answer
    x = 360,869,521.21

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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.