Home / 619,818,306.69-855,387,916.70-341,359,756.41

Finding the Fourth Proportional to 619,818,306.69, 855,387,916.70 and 341,359,756.41

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Solution

The fourth proportional to 619,818,306.69, 855,387,916.70 and 341,359,756.41 is: 471,097,751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,818,306.69 : 855,387,916.70 = 341,359,756.41 : x
  2. Step 2: Convert to fraction form
    619,818,306.69/855,387,916.70 = 341,359,756.41/x
  3. Step 3: Cross multiply
    619,818,306.69x = 855,387,916.70 × 341,359,756.41
  4. Step 4: Simplify right side
    619,818,306.69x = 291,995,010,880,769,408
  5. Step 5: Solve for x
    x = 291,995,010,880,769,408/619,818,306.69
  6. Step 6: Final answer
    x = 471,097,751.92

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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.