Home / 484,508,021.80-726,762,032.70-447,094,575.40

Finding the Fourth Proportional to 484,508,021.80, 726,762,032.70 and 447,094,575.40

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Solution

The fourth proportional to 484,508,021.80, 726,762,032.70 and 447,094,575.40 is: 670,641,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,508,021.80 : 726,762,032.70 = 447,094,575.40 : x
  2. Step 2: Convert to fraction form
    484,508,021.80/726,762,032.70 = 447,094,575.40/x
  3. Step 3: Cross multiply
    484,508,021.80x = 726,762,032.70 × 447,094,575.40
  4. Step 4: Simplify right side
    484,508,021.80x = 324,931,362,426,847,424
  5. Step 5: Solve for x
    x = 324,931,362,426,847,424/484,508,021.80
  6. Step 6: Final answer
    x = 670,641,863.10

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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.