Home / 472,394,547.60-708,591,821.40-300,632,816.40

Finding the Fourth Proportional to 472,394,547.60, 708,591,821.40 and 300,632,816.40

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Solution

The fourth proportional to 472,394,547.60, 708,591,821.40 and 300,632,816.40 is: 450,949,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,547.60 : 708,591,821.40 = 300,632,816.40 : x
  2. Step 2: Convert to fraction form
    472,394,547.60/708,591,821.40 = 300,632,816.40/x
  3. Step 3: Cross multiply
    472,394,547.60x = 708,591,821.40 × 300,632,816.40
  4. Step 4: Simplify right side
    472,394,547.60x = 213,025,954,945,487,776
  5. Step 5: Solve for x
    x = 213,025,954,945,487,776/472,394,547.60
  6. Step 6: Final answer
    x = 450,949,224.60

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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.