Home / 988,216,383.35-1,482,272,368.38-324,142,928.87

Finding the Fourth Proportional to 988,216,383.35, 1,482,272,368.38 and 324,142,928.87

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Solution

The fourth proportional to 988,216,383.35, 1,482,272,368.38 and 324,142,928.87 is: 486,197,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,216,383.35 : 1,482,272,368.38 = 324,142,928.87 : x
  2. Step 2: Convert to fraction form
    988,216,383.35/1,482,272,368.38 = 324,142,928.87/x
  3. Step 3: Cross multiply
    988,216,383.35x = 1,482,272,368.38 × 324,142,928.87
  4. Step 4: Simplify right side
    988,216,383.35x = 480,468,106,862,353,472
  5. Step 5: Solve for x
    x = 480,468,106,862,353,472/988,216,383.35
  6. Step 6: Final answer
    x = 486,197,269.10

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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.