Home / 26,743,808,862.81-40,115,884,240.58-7,857,019,280.25

Finding the Fourth Proportional to 26,743,808,862.81, 40,115,884,240.58 and 7,857,019,280.25

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Solution

The fourth proportional to 26,743,808,862.81, 40,115,884,240.58 and 7,857,019,280.25 is: 11,785,579,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,743,808,862.81 : 40,115,884,240.58 = 7,857,019,280.25 : x
  2. Step 2: Convert to fraction form
    26,743,808,862.81/40,115,884,240.58 = 7,857,019,280.25/x
  3. Step 3: Cross multiply
    26,743,808,862.81x = 40,115,884,240.58 × 7,857,019,280.25
  4. Step 4: Simplify right side
    26,743,808,862.81x = 315,191,275,922,474,860,544
  5. Step 5: Solve for x
    x = 315,191,275,922,474,860,544/26,743,808,862.81
  6. Step 6: Final answer
    x = 11,785,579,142.42

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Double scale
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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.