Home / 3,779,857,445.28-5,215,424,555.52-2,172,001,767.72

Finding the Fourth Proportional to 3,779,857,445.28, 5,215,424,555.52 and 2,172,001,767.72

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Solution

The fourth proportional to 3,779,857,445.28, 5,215,424,555.52 and 2,172,001,767.72 is: 2,996,914,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,857,445.28 : 5,215,424,555.52 = 2,172,001,767.72 : x
  2. Step 2: Convert to fraction form
    3,779,857,445.28/5,215,424,555.52 = 2,172,001,767.72/x
  3. Step 3: Cross multiply
    3,779,857,445.28x = 5,215,424,555.52 × 2,172,001,767.72
  4. Step 4: Simplify right side
    3,779,857,445.28x = 11,327,911,353,999,734,784
  5. Step 5: Solve for x
    x = 11,327,911,353,999,734,784/3,779,857,445.28
  6. Step 6: Final answer
    x = 2,996,914,967.82

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1.5x scale

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.