Home / 459,653,797.24-689,476,152.03-210,588,406.54

Finding the Fourth Proportional to 459,653,797.24, 689,476,152.03 and 210,588,406.54

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Solution

The fourth proportional to 459,653,797.24, 689,476,152.03 and 210,588,406.54 is: 315,880,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,653,797.24 : 689,476,152.03 = 210,588,406.54 : x
  2. Step 2: Convert to fraction form
    459,653,797.24/689,476,152.03 = 210,588,406.54/x
  3. Step 3: Cross multiply
    459,653,797.24x = 689,476,152.03 × 210,588,406.54
  4. Step 4: Simplify right side
    459,653,797.24x = 145,195,684,203,328,480
  5. Step 5: Solve for x
    x = 145,195,684,203,328,480/459,653,797.24
  6. Step 6: Final answer
    x = 315,880,528.07

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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.