Home / 726,386,464.80-1,089,579,697.20-624,349,792.80

Finding the Fourth Proportional to 726,386,464.80, 1,089,579,697.20 and 624,349,792.80

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Solution

The fourth proportional to 726,386,464.80, 1,089,579,697.20 and 624,349,792.80 is: 936,524,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,386,464.80 : 1,089,579,697.20 = 624,349,792.80 : x
  2. Step 2: Convert to fraction form
    726,386,464.80/1,089,579,697.20 = 624,349,792.80/x
  3. Step 3: Cross multiply
    726,386,464.80x = 1,089,579,697.20 × 624,349,792.80
  4. Step 4: Simplify right side
    726,386,464.80x = 680,278,858,185,906,688
  5. Step 5: Solve for x
    x = 680,278,858,185,906,688/726,386,464.80
  6. Step 6: Final answer
    x = 936,524,689.20

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Double scale
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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.