Home / 683,585,410.80-1,025,406,109.80-198,911,218.80

Finding the Fourth Proportional to 683,585,410.80, 1,025,406,109.80 and 198,911,218.80

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Solution

The fourth proportional to 683,585,410.80, 1,025,406,109.80 and 198,911,218.80 is: 298,374,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,585,410.80 : 1,025,406,109.80 = 198,911,218.80 : x
  2. Step 2: Convert to fraction form
    683,585,410.80/1,025,406,109.80 = 198,911,218.80/x
  3. Step 3: Cross multiply
    683,585,410.80x = 1,025,406,109.80 × 198,911,218.80
  4. Step 4: Simplify right side
    683,585,410.80x = 203,964,779,065,284,640
  5. Step 5: Solve for x
    x = 203,964,779,065,284,640/683,585,410.80
  6. Step 6: Final answer
    x = 298,374,973.84

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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.