Home / 376,098,529.62-519,013,262.48-208,833,970.26

Finding the Fourth Proportional to 376,098,529.62, 519,013,262.48 and 208,833,970.26

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Solution

The fourth proportional to 376,098,529.62, 519,013,262.48 and 208,833,970.26 is: 288,189,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,098,529.62 : 519,013,262.48 = 208,833,970.26 : x
  2. Step 2: Convert to fraction form
    376,098,529.62/519,013,262.48 = 208,833,970.26/x
  3. Step 3: Cross multiply
    376,098,529.62x = 519,013,262.48 × 208,833,970.26
  4. Step 4: Simplify right side
    376,098,529.62x = 108,387,600,220,249,728
  5. Step 5: Solve for x
    x = 108,387,600,220,249,728/376,098,529.62
  6. Step 6: Final answer
    x = 288,189,375.08

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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.