Home / 377,757,885.60-521,300,583.06-210,501,196.37

Finding the Fourth Proportional to 377,757,885.60, 521,300,583.06 and 210,501,196.37

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Solution

The fourth proportional to 377,757,885.60, 521,300,583.06 and 210,501,196.37 is: 290,488,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,757,885.60 : 521,300,583.06 = 210,501,196.37 : x
  2. Step 2: Convert to fraction form
    377,757,885.60/521,300,583.06 = 210,501,196.37/x
  3. Step 3: Cross multiply
    377,757,885.60x = 521,300,583.06 × 210,501,196.37
  4. Step 4: Simplify right side
    377,757,885.60x = 109,734,396,402,508,560
  5. Step 5: Solve for x
    x = 109,734,396,402,508,560/377,757,885.60
  6. Step 6: Final answer
    x = 290,488,698.15

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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.