Home / 990,237,251.80-1,485,355,877.70-951,973,499.80

Finding the Fourth Proportional to 990,237,251.80, 1,485,355,877.70 and 951,973,499.80

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Solution

The fourth proportional to 990,237,251.80, 1,485,355,877.70 and 951,973,499.80 is: 1,427,960,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,237,251.80 : 1,485,355,877.70 = 951,973,499.80 : x
  2. Step 2: Convert to fraction form
    990,237,251.80/1,485,355,877.70 = 951,973,499.80/x
  3. Step 3: Cross multiply
    990,237,251.80x = 1,485,355,877.70 × 951,973,499.80
  4. Step 4: Simplify right side
    990,237,251.80x = 1,414,019,433,342,569,728
  5. Step 5: Solve for x
    x = 1,414,019,433,342,569,728/990,237,251.80
  6. Step 6: Final answer
    x = 1,427,960,249.70

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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.