Home / 435,481,789.80-652,550,838.30-377,702,999.40

Finding the Fourth Proportional to 435,481,789.80, 652,550,838.30 and 377,702,999.40

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Solution

The fourth proportional to 435,481,789.80, 652,550,838.30 and 377,702,999.40 is: 565,971,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,481,789.80 : 652,550,838.30 = 377,702,999.40 : x
  2. Step 2: Convert to fraction form
    435,481,789.80/652,550,838.30 = 377,702,999.40/x
  3. Step 3: Cross multiply
    435,481,789.80x = 652,550,838.30 × 377,702,999.40
  4. Step 4: Simplify right side
    435,481,789.80x = 246,470,408,886,894,368
  5. Step 5: Solve for x
    x = 246,470,408,886,894,368/435,481,789.80
  6. Step 6: Final answer
    x = 565,971,791.84

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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.