Home / 382,252,462,409.22-528,198,421,345.70-272,195,737,799.90

Finding the Fourth Proportional to 382,252,462,409.22, 528,198,421,345.70 and 272,195,737,799.90

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Solution

The fourth proportional to 382,252,462,409.22, 528,198,421,345.70 and 272,195,737,799.90 is: 376,121,472,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,252,462,409.22 : 528,198,421,345.70 = 272,195,737,799.90 : x
  2. Step 2: Convert to fraction form
    382,252,462,409.22/528,198,421,345.70 = 272,195,737,799.90/x
  3. Step 3: Cross multiply
    382,252,462,409.22x = 528,198,421,345.70 × 272,195,737,799.90
  4. Step 4: Simplify right side
    382,252,462,409.22x = 143,773,359,002,935,262,969,856
  5. Step 5: Solve for x
    x = 143,773,359,002,935,262,969,856/382,252,462,409.22
  6. Step 6: Final answer
    x = 376,121,472,434.15

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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.