Home / 215,468,882,671.24-297,297,740,534.22-128,644,585,071.93

Finding the Fourth Proportional to 215,468,882,671.24, 297,297,740,534.22 and 128,644,585,071.93

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Solution

The fourth proportional to 215,468,882,671.24, 297,297,740,534.22 and 128,644,585,071.93 is: 177,500,082,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,468,882,671.24 : 297,297,740,534.22 = 128,644,585,071.93 : x
  2. Step 2: Convert to fraction form
    215,468,882,671.24/297,297,740,534.22 = 128,644,585,071.93/x
  3. Step 3: Cross multiply
    215,468,882,671.24x = 297,297,740,534.22 × 128,644,585,071.93
  4. Step 4: Simplify right side
    215,468,882,671.24x = 38,245,744,473,847,034,281,984
  5. Step 5: Solve for x
    x = 38,245,744,473,847,034,281,984/215,468,882,671.24
  6. Step 6: Final answer
    x = 177,500,082,609.15

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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.