Home / 871,520,921.45-1,202,710,821.99-475,043,058.59

Finding the Fourth Proportional to 871,520,921.45, 1,202,710,821.99 and 475,043,058.59

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Solution

The fourth proportional to 871,520,921.45, 1,202,710,821.99 and 475,043,058.59 is: 655,565,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,520,921.45 : 1,202,710,821.99 = 475,043,058.59 : x
  2. Step 2: Convert to fraction form
    871,520,921.45/1,202,710,821.99 = 475,043,058.59/x
  3. Step 3: Cross multiply
    871,520,921.45x = 1,202,710,821.99 × 475,043,058.59
  4. Step 4: Simplify right side
    871,520,921.45x = 571,339,427,477,422,592
  5. Step 5: Solve for x
    x = 571,339,427,477,422,592/871,520,921.45
  6. Step 6: Final answer
    x = 655,565,934.70

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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.