Home / 13,771,346,117.70-20,657,019,176.55-8,261,365,829.70

Finding the Fourth Proportional to 13,771,346,117.70, 20,657,019,176.55 and 8,261,365,829.70

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Solution

The fourth proportional to 13,771,346,117.70, 20,657,019,176.55 and 8,261,365,829.70 is: 12,392,048,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,346,117.70 : 20,657,019,176.55 = 8,261,365,829.70 : x
  2. Step 2: Convert to fraction form
    13,771,346,117.70/20,657,019,176.55 = 8,261,365,829.70/x
  3. Step 3: Cross multiply
    13,771,346,117.70x = 20,657,019,176.55 × 8,261,365,829.70
  4. Step 4: Simplify right side
    13,771,346,117.70x = 170,655,192,368,607,789,056
  5. Step 5: Solve for x
    x = 170,655,192,368,607,789,056/13,771,346,117.70
  6. Step 6: Final answer
    x = 12,392,048,744.55

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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.