Home / 384,648,705.48-576,977,490.55-139,023,994.44

Finding the Fourth Proportional to 384,648,705.48, 576,977,490.55 and 139,023,994.44

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Solution

The fourth proportional to 384,648,705.48, 576,977,490.55 and 139,023,994.44 is: 208,537,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,648,705.48 : 576,977,490.55 = 139,023,994.44 : x
  2. Step 2: Convert to fraction form
    384,648,705.48/576,977,490.55 = 139,023,994.44/x
  3. Step 3: Cross multiply
    384,648,705.48x = 576,977,490.55 × 139,023,994.44
  4. Step 4: Simplify right side
    384,648,705.48x = 80,213,715,439,783,088
  5. Step 5: Solve for x
    x = 80,213,715,439,783,088/384,648,705.48
  6. Step 6: Final answer
    x = 208,537,593.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.