Home / 871,520,920.45-1,202,710,820.61-475,043,057.59

Finding the Fourth Proportional to 871,520,920.45, 1,202,710,820.61 and 475,043,057.59

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Solution

The fourth proportional to 871,520,920.45, 1,202,710,820.61 and 475,043,057.59 is: 655,565,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,520,920.45 : 1,202,710,820.61 = 475,043,057.59 : x
  2. Step 2: Convert to fraction form
    871,520,920.45/1,202,710,820.61 = 475,043,057.59/x
  3. Step 3: Cross multiply
    871,520,920.45x = 1,202,710,820.61 × 475,043,057.59
  4. Step 4: Simplify right side
    871,520,920.45x = 571,339,425,619,152,320
  5. Step 5: Solve for x
    x = 571,339,425,619,152,320/871,520,920.45
  6. Step 6: Final answer
    x = 655,565,933.32

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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.