Home / 1,574,642,919.20-2,361,964,378.80-483,984,269.60

Finding the Fourth Proportional to 1,574,642,919.20, 2,361,964,378.80 and 483,984,269.60

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Solution

The fourth proportional to 1,574,642,919.20, 2,361,964,378.80 and 483,984,269.60 is: 725,976,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,642,919.20 : 2,361,964,378.80 = 483,984,269.60 : x
  2. Step 2: Convert to fraction form
    1,574,642,919.20/2,361,964,378.80 = 483,984,269.60/x
  3. Step 3: Cross multiply
    1,574,642,919.20x = 2,361,964,378.80 × 483,984,269.60
  4. Step 4: Simplify right side
    1,574,642,919.20x = 1,143,153,604,694,735,872
  5. Step 5: Solve for x
    x = 1,143,153,604,694,735,872/1,574,642,919.20
  6. Step 6: Final answer
    x = 725,976,404.40

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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.