Home / 18,699,990,840.50-25,806,798,552.21-10,355,658,552.50

Finding the Fourth Proportional to 18,699,990,840.50, 25,806,798,552.21 and 10,355,658,552.50

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Solution

The fourth proportional to 18,699,990,840.50, 25,806,798,552.21 and 10,355,658,552.50 is: 14,291,258,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699,990,840.50 : 25,806,798,552.21 = 10,355,658,552.50 : x
  2. Step 2: Convert to fraction form
    18,699,990,840.50/25,806,798,552.21 = 10,355,658,552.50/x
  3. Step 3: Cross multiply
    18,699,990,840.50x = 25,806,798,552.21 × 10,355,658,552.50
  4. Step 4: Simplify right side
    18,699,990,840.50x = 267,246,394,139,838,087,168
  5. Step 5: Solve for x
    x = 267,246,394,139,838,087,168/18,699,990,840.50
  6. Step 6: Final answer
    x = 14,291,258,023.56

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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.