Home / 159,256,847,780.80-219,826,824,671.85-126,763,664,349.57

Finding the Fourth Proportional to 159,256,847,780.80, 219,826,824,671.85 and 126,763,664,349.57

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Solution

The fourth proportional to 159,256,847,780.80, 219,826,824,671.85 and 126,763,664,349.57 is: 174,975,545,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,256,847,780.80 : 219,826,824,671.85 = 126,763,664,349.57 : x
  2. Step 2: Convert to fraction form
    159,256,847,780.80/219,826,824,671.85 = 126,763,664,349.57/x
  3. Step 3: Cross multiply
    159,256,847,780.80x = 219,826,824,671.85 × 126,763,664,349.57
  4. Step 4: Simplify right side
    159,256,847,780.80x = 27,866,053,817,734,170,411,008
  5. Step 5: Solve for x
    x = 27,866,053,817,734,170,411,008/159,256,847,780.80
  6. Step 6: Final answer
    x = 174,975,545,516.82

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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.