Home / 326,593,643.40-489,890,465.10-96,542,238.60

Finding the Fourth Proportional to 326,593,643.40, 489,890,465.10 and 96,542,238.60

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Solution

The fourth proportional to 326,593,643.40, 489,890,465.10 and 96,542,238.60 is: 144,813,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,593,643.40 : 489,890,465.10 = 96,542,238.60 : x
  2. Step 2: Convert to fraction form
    326,593,643.40/489,890,465.10 = 96,542,238.60/x
  3. Step 3: Cross multiply
    326,593,643.40x = 489,890,465.10 × 96,542,238.60
  4. Step 4: Simplify right side
    326,593,643.40x = 47,295,122,169,549,176
  5. Step 5: Solve for x
    x = 47,295,122,169,549,176/326,593,643.40
  6. Step 6: Final answer
    x = 144,813,357.90

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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.