Home / 257,400,690,347.28-355,262,131,931.20-170,439,879,386.64

Finding the Fourth Proportional to 257,400,690,347.28, 355,262,131,931.20 and 170,439,879,386.64

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Solution

The fourth proportional to 257,400,690,347.28, 355,262,131,931.20 and 170,439,879,386.64 is: 235,239,597,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,400,690,347.28 : 355,262,131,931.20 = 170,439,879,386.64 : x
  2. Step 2: Convert to fraction form
    257,400,690,347.28/355,262,131,931.20 = 170,439,879,386.64/x
  3. Step 3: Cross multiply
    257,400,690,347.28x = 355,262,131,931.20 × 170,439,879,386.64
  4. Step 4: Simplify right side
    257,400,690,347.28x = 60,550,834,916,994,324,627,456
  5. Step 5: Solve for x
    x = 60,550,834,916,994,324,627,456/257,400,690,347.28
  6. Step 6: Final answer
    x = 235,239,597,979.71

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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.