Home / 255,130,363,337.42-352,080,042,665.96-137,808,006,758.87

Finding the Fourth Proportional to 255,130,363,337.42, 352,080,042,665.96 and 137,808,006,758.87

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Solution

The fourth proportional to 255,130,363,337.42, 352,080,042,665.96 and 137,808,006,758.87 is: 190,175,125,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,130,363,337.42 : 352,080,042,665.96 = 137,808,006,758.87 : x
  2. Step 2: Convert to fraction form
    255,130,363,337.42/352,080,042,665.96 = 137,808,006,758.87/x
  3. Step 3: Cross multiply
    255,130,363,337.42x = 352,080,042,665.96 × 137,808,006,758.87
  4. Step 4: Simplify right side
    255,130,363,337.42x = 48,519,448,899,373,859,078,144
  5. Step 5: Solve for x
    x = 48,519,448,899,373,859,078,144/255,130,363,337.42
  6. Step 6: Final answer
    x = 190,175,125,628.64

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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.