Home / 1,477,642,636.40-2,215,002,066.60-699,921,330.80

Finding the Fourth Proportional to 1,477,642,636.40, 2,215,002,066.60 and 699,921,330.80

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Solution

The fourth proportional to 1,477,642,636.40, 2,215,002,066.60 and 699,921,330.80 is: 1,049,189,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,642,636.40 : 2,215,002,066.60 = 699,921,330.80 : x
  2. Step 2: Convert to fraction form
    1,477,642,636.40/2,215,002,066.60 = 699,921,330.80/x
  3. Step 3: Cross multiply
    1,477,642,636.40x = 2,215,002,066.60 × 699,921,330.80
  4. Step 4: Simplify right side
    1,477,642,636.40x = 1,550,327,194,179,421,952
  5. Step 5: Solve for x
    x = 1,550,327,194,179,421,952/1,477,642,636.40
  6. Step 6: Final answer
    x = 1,049,189,537.44

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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.