Home / 1,515,996,001.70-2,273,994,002.55-827,248,465.70

Finding the Fourth Proportional to 1,515,996,001.70, 2,273,994,002.55 and 827,248,465.70

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Solution

The fourth proportional to 1,515,996,001.70, 2,273,994,002.55 and 827,248,465.70 is: 1,240,872,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,996,001.70 : 2,273,994,002.55 = 827,248,465.70 : x
  2. Step 2: Convert to fraction form
    1,515,996,001.70/2,273,994,002.55 = 827,248,465.70/x
  3. Step 3: Cross multiply
    1,515,996,001.70x = 2,273,994,002.55 × 827,248,465.70
  4. Step 4: Simplify right side
    1,515,996,001.70x = 1,881,158,049,620,489,728
  5. Step 5: Solve for x
    x = 1,881,158,049,620,489,728/1,515,996,001.70
  6. Step 6: Final answer
    x = 1,240,872,698.55

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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.