Home / 1,008,907,568.40-1,513,361,352.60-463,649,102.40

Finding the Fourth Proportional to 1,008,907,568.40, 1,513,361,352.60 and 463,649,102.40

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Solution

The fourth proportional to 1,008,907,568.40, 1,513,361,352.60 and 463,649,102.40 is: 695,473,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,907,568.40 : 1,513,361,352.60 = 463,649,102.40 : x
  2. Step 2: Convert to fraction form
    1,008,907,568.40/1,513,361,352.60 = 463,649,102.40/x
  3. Step 3: Cross multiply
    1,008,907,568.40x = 1,513,361,352.60 × 463,649,102.40
  4. Step 4: Simplify right side
    1,008,907,568.40x = 701,668,632,739,839,872
  5. Step 5: Solve for x
    x = 701,668,632,739,839,872/1,008,907,568.40
  6. Step 6: Final answer
    x = 695,473,653.60

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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.