Home / 289,144,583,103.16-399,014,156,690.55-158,930,654,008.82

Finding the Fourth Proportional to 289,144,583,103.16, 399,014,156,690.55 and 158,930,654,008.82

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Solution

The fourth proportional to 289,144,583,103.16, 399,014,156,690.55 and 158,930,654,008.82 is: 219,321,351,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,144,583,103.16 : 399,014,156,690.55 = 158,930,654,008.82 : x
  2. Step 2: Convert to fraction form
    289,144,583,103.16/399,014,156,690.55 = 158,930,654,008.82/x
  3. Step 3: Cross multiply
    289,144,583,103.16x = 399,014,156,690.55 × 158,930,654,008.82
  4. Step 4: Simplify right side
    289,144,583,103.16x = 63,415,580,881,606,894,682,112
  5. Step 5: Solve for x
    x = 63,415,580,881,606,894,682,112/289,144,583,103.16
  6. Step 6: Final answer
    x = 219,321,351,972.14

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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.