Home / 1,034,405,768.40-1,551,604,570.20-307,394,480.40

Finding the Fourth Proportional to 1,034,405,768.40, 1,551,604,570.20 and 307,394,480.40

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Solution

The fourth proportional to 1,034,405,768.40, 1,551,604,570.20 and 307,394,480.40 is: 461,090,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,405,768.40 : 1,551,604,570.20 = 307,394,480.40 : x
  2. Step 2: Convert to fraction form
    1,034,405,768.40/1,551,604,570.20 = 307,394,480.40/x
  3. Step 3: Cross multiply
    1,034,405,768.40x = 1,551,604,570.20 × 307,394,480.40
  4. Step 4: Simplify right side
    1,034,405,768.40x = 476,954,680,642,894,272
  5. Step 5: Solve for x
    x = 476,954,680,642,894,272/1,034,405,768.40
  6. Step 6: Final answer
    x = 461,090,507.43

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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.