Home / 842,486,451.60-1,162,624,958.82-471,208,501.20

Finding the Fourth Proportional to 842,486,451.60, 1,162,624,958.82 and 471,208,501.20

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Solution

The fourth proportional to 842,486,451.60, 1,162,624,958.82 and 471,208,501.20 is: 650,264,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,486,451.60 : 1,162,624,958.82 = 471,208,501.20 : x
  2. Step 2: Convert to fraction form
    842,486,451.60/1,162,624,958.82 = 471,208,501.20/x
  3. Step 3: Cross multiply
    842,486,451.60x = 1,162,624,958.82 × 471,208,501.20
  4. Step 4: Simplify right side
    842,486,451.60x = 547,838,764,303,283,904
  5. Step 5: Solve for x
    x = 547,838,764,303,283,904/842,486,451.60
  6. Step 6: Final answer
    x = 650,264,183.20

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Double scale
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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.