Home / 86,317,056,856.40-129,479,168,465.40-27,427,480,408.40

Finding the Fourth Proportional to 86,317,056,856.40, 129,479,168,465.40 and 27,427,480,408.40

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Solution

The fourth proportional to 86,317,056,856.40, 129,479,168,465.40 and 27,427,480,408.40 is: 41,142,359,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,317,056,856.40 : 129,479,168,465.40 = 27,427,480,408.40 : x
  2. Step 2: Convert to fraction form
    86,317,056,856.40/129,479,168,465.40 = 27,427,480,408.40/x
  3. Step 3: Cross multiply
    86,317,056,856.40x = 129,479,168,465.40 × 27,427,480,408.40
  4. Step 4: Simplify right side
    86,317,056,856.40x = 3,551,287,356,380,681,863,168
  5. Step 5: Solve for x
    x = 3,551,287,356,380,681,863,168/86,317,056,856.40
  6. Step 6: Final answer
    x = 41,142,359,178.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.