Home / 39,401,527,295.39-54,374,160,103.47-21,337,074,661.14

Finding the Fourth Proportional to 39,401,527,295.39, 54,374,160,103.47 and 21,337,074,661.14

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Solution

The fourth proportional to 39,401,527,295.39, 54,374,160,103.47 and 21,337,074,661.14 is: 29,445,191,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401,527,295.39 : 54,374,160,103.47 = 21,337,074,661.14 : x
  2. Step 2: Convert to fraction form
    39,401,527,295.39/54,374,160,103.47 = 21,337,074,661.14/x
  3. Step 3: Cross multiply
    39,401,527,295.39x = 54,374,160,103.47 × 21,337,074,661.14
  4. Step 4: Simplify right side
    39,401,527,295.39x = 1,160,185,513,764,303,798,272
  5. Step 5: Solve for x
    x = 1,160,185,513,764,303,798,272/39,401,527,295.39
  6. Step 6: Final answer
    x = 29,445,191,427.90

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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.