Home / 472,392,381.30-708,588,571.95-435,085,223.10

Finding the Fourth Proportional to 472,392,381.30, 708,588,571.95 and 435,085,223.10

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Solution

The fourth proportional to 472,392,381.30, 708,588,571.95 and 435,085,223.10 is: 652,627,834.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,381.30 : 708,588,571.95 = 435,085,223.10 : x
  2. Step 2: Convert to fraction form
    472,392,381.30/708,588,571.95 = 435,085,223.10/x
  3. Step 3: Cross multiply
    472,392,381.30x = 708,588,571.95 × 435,085,223.10
  4. Step 4: Simplify right side
    472,392,381.30x = 308,296,416,912,976,192
  5. Step 5: Solve for x
    x = 308,296,416,912,976,192/472,392,381.30
  6. Step 6: Final answer
    x = 652,627,834.65

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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.