Home / 2,808,168,811.71-3,875,394,776.36-1,555,105,667.73

Finding the Fourth Proportional to 2,808,168,811.71, 3,875,394,776.36 and 1,555,105,667.73

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Solution

The fourth proportional to 2,808,168,811.71, 3,875,394,776.36 and 1,555,105,667.73 is: 2,146,113,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,168,811.71 : 3,875,394,776.36 = 1,555,105,667.73 : x
  2. Step 2: Convert to fraction form
    2,808,168,811.71/3,875,394,776.36 = 1,555,105,667.73/x
  3. Step 3: Cross multiply
    2,808,168,811.71x = 3,875,394,776.36 × 1,555,105,667.73
  4. Step 4: Simplify right side
    2,808,168,811.71x = 6,026,648,381,400,896,512
  5. Step 5: Solve for x
    x = 6,026,648,381,400,896,512/2,808,168,811.71
  6. Step 6: Final answer
    x = 2,146,113,280.75

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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.