Home / 377,238,169.56-520,588,699.02-209,970,841.14

Finding the Fourth Proportional to 377,238,169.56, 520,588,699.02 and 209,970,841.14

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Solution

The fourth proportional to 377,238,169.56, 520,588,699.02 and 209,970,841.14 is: 289,759,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,238,169.56 : 520,588,699.02 = 209,970,841.14 : x
  2. Step 2: Convert to fraction form
    377,238,169.56/520,588,699.02 = 209,970,841.14/x
  3. Step 3: Cross multiply
    377,238,169.56x = 520,588,699.02 × 209,970,841.14
  4. Step 4: Simplify right side
    377,238,169.56x = 109,308,447,021,207,680
  5. Step 5: Solve for x
    x = 109,308,447,021,207,680/377,238,169.56
  6. Step 6: Final answer
    x = 289,759,774.70

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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.