Home / 326,427,998.70-489,641,998.05-111,017,246.70

Finding the Fourth Proportional to 326,427,998.70, 489,641,998.05 and 111,017,246.70

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Solution

The fourth proportional to 326,427,998.70, 489,641,998.05 and 111,017,246.70 is: 166,525,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,427,998.70 : 489,641,998.05 = 111,017,246.70 : x
  2. Step 2: Convert to fraction form
    326,427,998.70/489,641,998.05 = 111,017,246.70/x
  3. Step 3: Cross multiply
    326,427,998.70x = 489,641,998.05 × 111,017,246.70
  4. Step 4: Simplify right side
    326,427,998.70x = 54,358,706,492,197,768
  5. Step 5: Solve for x
    x = 54,358,706,492,197,768/326,427,998.70
  6. Step 6: Final answer
    x = 166,525,870.05

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Double scale
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Similar ratio
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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.