Home / 1,409,715,993.27-1,945,294,182.60-815,038,800.87

Finding the Fourth Proportional to 1,409,715,993.27, 1,945,294,182.60 and 815,038,800.87

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Solution

The fourth proportional to 1,409,715,993.27, 1,945,294,182.60 and 815,038,800.87 is: 1,124,687,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,715,993.27 : 1,945,294,182.60 = 815,038,800.87 : x
  2. Step 2: Convert to fraction form
    1,409,715,993.27/1,945,294,182.60 = 815,038,800.87/x
  3. Step 3: Cross multiply
    1,409,715,993.27x = 1,945,294,182.60 × 815,038,800.87
  4. Step 4: Simplify right side
    1,409,715,993.27x = 1,585,490,237,925,690,624
  5. Step 5: Solve for x
    x = 1,585,490,237,925,690,624/1,409,715,993.27
  6. Step 6: Final answer
    x = 1,124,687,699.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.