Home / 339,900,655,408.56-469,274,592,795.28-216,371,494,377

Finding the Fourth Proportional to 339,900,655,408.56, 469,274,592,795.28 and 216,371,494,377

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Solution

The fourth proportional to 339,900,655,408.56, 469,274,592,795.28 and 216,371,494,377 is: 298,727,417,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,900,655,408.56 : 469,274,592,795.28 = 216,371,494,377 : x
  2. Step 2: Convert to fraction form
    339,900,655,408.56/469,274,592,795.28 = 216,371,494,377/x
  3. Step 3: Cross multiply
    339,900,655,408.56x = 469,274,592,795.28 × 216,371,494,377
  4. Step 4: Simplify right side
    339,900,655,408.56x = 101,537,644,916,272,900,603,904
  5. Step 5: Solve for x
    x = 101,537,644,916,272,900,603,904/339,900,655,408.56
  6. Step 6: Final answer
    x = 298,727,417,263.21

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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.