Home / 283,905,679.32-391,790,379.66-156,746,603.58

Finding the Fourth Proportional to 283,905,679.32, 391,790,379.66 and 156,746,603.58

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Solution

The fourth proportional to 283,905,679.32, 391,790,379.66 and 156,746,603.58 is: 216,310,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,905,679.32 : 391,790,379.66 = 156,746,603.58 : x
  2. Step 2: Convert to fraction form
    283,905,679.32/391,790,379.66 = 156,746,603.58/x
  3. Step 3: Cross multiply
    283,905,679.32x = 391,790,379.66 × 156,746,603.58
  4. Step 4: Simplify right side
    283,905,679.32x = 61,411,811,327,023,728
  5. Step 5: Solve for x
    x = 61,411,811,327,023,728/283,905,679.32
  6. Step 6: Final answer
    x = 216,310,612.29

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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.