Home / 2,845,390,579.77-3,927,049,727.63-1,639,500,869.86

Finding the Fourth Proportional to 2,845,390,579.77, 3,927,049,727.63 and 1,639,500,869.86

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Solution

The fourth proportional to 2,845,390,579.77, 3,927,049,727.63 and 1,639,500,869.86 is: 2,262,747,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845,390,579.77 : 3,927,049,727.63 = 1,639,500,869.86 : x
  2. Step 2: Convert to fraction form
    2,845,390,579.77/3,927,049,727.63 = 1,639,500,869.86/x
  3. Step 3: Cross multiply
    2,845,390,579.77x = 3,927,049,727.63 × 1,639,500,869.86
  4. Step 4: Simplify right side
    2,845,390,579.77x = 6,438,401,444,414,845,952
  5. Step 5: Solve for x
    x = 6,438,401,444,414,845,952/2,845,390,579.77
  6. Step 6: Final answer
    x = 2,262,747,859.71

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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.