Home / 804,821,845.40-1,207,232,768.10-675,681,682.40

Finding the Fourth Proportional to 804,821,845.40, 1,207,232,768.10 and 675,681,682.40

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Solution

The fourth proportional to 804,821,845.40, 1,207,232,768.10 and 675,681,682.40 is: 1,013,522,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,821,845.40 : 1,207,232,768.10 = 675,681,682.40 : x
  2. Step 2: Convert to fraction form
    804,821,845.40/1,207,232,768.10 = 675,681,682.40/x
  3. Step 3: Cross multiply
    804,821,845.40x = 1,207,232,768.10 × 675,681,682.40
  4. Step 4: Simplify right side
    804,821,845.40x = 815,705,067,798,216,960
  5. Step 5: Solve for x
    x = 815,705,067,798,216,960/804,821,845.40
  6. Step 6: Final answer
    x = 1,013,522,523.60

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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.