Home / 255,130,363,339.40-352,080,042,668.74-137,808,006,760.86

Finding the Fourth Proportional to 255,130,363,339.40, 352,080,042,668.74 and 137,808,006,760.86

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Solution

The fourth proportional to 255,130,363,339.40, 352,080,042,668.74 and 137,808,006,760.86 is: 190,175,125,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,130,363,339.40 : 352,080,042,668.74 = 137,808,006,760.86 : x
  2. Step 2: Convert to fraction form
    255,130,363,339.40/352,080,042,668.74 = 137,808,006,760.86/x
  3. Step 3: Cross multiply
    255,130,363,339.40x = 352,080,042,668.74 × 137,808,006,760.86
  4. Step 4: Simplify right side
    255,130,363,339.40x = 48,519,448,900,457,591,734,272
  5. Step 5: Solve for x
    x = 48,519,448,900,457,591,734,272/255,130,363,339.40
  6. Step 6: Final answer
    x = 190,175,125,631.41

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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.