Home / 376,903,404.90-520,123,569.93-211,891,708.26

Finding the Fourth Proportional to 376,903,404.90, 520,123,569.93 and 211,891,708.26

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Solution

The fourth proportional to 376,903,404.90, 520,123,569.93 and 211,891,708.26 is: 292,408,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,903,404.90 : 520,123,569.93 = 211,891,708.26 : x
  2. Step 2: Convert to fraction form
    376,903,404.90/520,123,569.93 = 211,891,708.26/x
  3. Step 3: Cross multiply
    376,903,404.90x = 520,123,569.93 × 211,891,708.26
  4. Step 4: Simplify right side
    376,903,404.90x = 110,209,871,738,757,264
  5. Step 5: Solve for x
    x = 110,209,871,738,757,264/376,903,404.90
  6. Step 6: Final answer
    x = 292,408,798.40

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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.