Home / 3,191,267,614.86-4,405,124,486.43-1,921,167,633.06

Finding the Fourth Proportional to 3,191,267,614.86, 4,405,124,486.43 and 1,921,167,633.06

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Solution

The fourth proportional to 3,191,267,614.86, 4,405,124,486.43 and 1,921,167,633.06 is: 2,651,918,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,267,614.86 : 4,405,124,486.43 = 1,921,167,633.06 : x
  2. Step 2: Convert to fraction form
    3,191,267,614.86/4,405,124,486.43 = 1,921,167,633.06/x
  3. Step 3: Cross multiply
    3,191,267,614.86x = 4,405,124,486.43 × 1,921,167,633.06
  4. Step 4: Simplify right side
    3,191,267,614.86x = 8,462,982,582,929,371,136
  5. Step 5: Solve for x
    x = 8,462,982,582,929,371,136/3,191,267,614.86
  6. Step 6: Final answer
    x = 2,651,918,799.77

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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.