Home / 1,515,994,019.10-2,273,991,028.65-699,700,643.10

Finding the Fourth Proportional to 1,515,994,019.10, 2,273,991,028.65 and 699,700,643.10

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Solution

The fourth proportional to 1,515,994,019.10, 2,273,991,028.65 and 699,700,643.10 is: 1,049,550,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,994,019.10 : 2,273,991,028.65 = 699,700,643.10 : x
  2. Step 2: Convert to fraction form
    1,515,994,019.10/2,273,991,028.65 = 699,700,643.10/x
  3. Step 3: Cross multiply
    1,515,994,019.10x = 2,273,991,028.65 × 699,700,643.10
  4. Step 4: Simplify right side
    1,515,994,019.10x = 1,591,112,985,150,035,712
  5. Step 5: Solve for x
    x = 1,591,112,985,150,035,712/1,515,994,019.10
  6. Step 6: Final answer
    x = 1,049,550,964.65

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Double scale
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Similar ratio
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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.