Home / 3,779,857,484.16-5,215,424,609.24-2,172,001,806.57

Finding the Fourth Proportional to 3,779,857,484.16, 5,215,424,609.24 and 2,172,001,806.57

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Solution

The fourth proportional to 3,779,857,484.16, 5,215,424,609.24 and 2,172,001,806.57 is: 2,996,915,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,857,484.16 : 5,215,424,609.24 = 2,172,001,806.57 : x
  2. Step 2: Convert to fraction form
    3,779,857,484.16/5,215,424,609.24 = 2,172,001,806.57/x
  3. Step 3: Cross multiply
    3,779,857,484.16x = 5,215,424,609.24 × 2,172,001,806.57
  4. Step 4: Simplify right side
    3,779,857,484.16x = 11,327,911,673,296,746,496
  5. Step 5: Solve for x
    x = 11,327,911,673,296,746,496/3,779,857,484.16
  6. Step 6: Final answer
    x = 2,996,915,021.47

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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.