Home / 871,520,919.45-1,202,710,819.23-475,043,056.59

Finding the Fourth Proportional to 871,520,919.45, 1,202,710,819.23 and 475,043,056.59

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Solution

The fourth proportional to 871,520,919.45, 1,202,710,819.23 and 475,043,056.59 is: 655,565,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,520,919.45 : 1,202,710,819.23 = 475,043,056.59 : x
  2. Step 2: Convert to fraction form
    871,520,919.45/1,202,710,819.23 = 475,043,056.59/x
  3. Step 3: Cross multiply
    871,520,919.45x = 1,202,710,819.23 × 475,043,056.59
  4. Step 4: Simplify right side
    871,520,919.45x = 571,339,423,760,882,112
  5. Step 5: Solve for x
    x = 571,339,423,760,882,112/871,520,919.45
  6. Step 6: Final answer
    x = 655,565,931.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.