Home / 488,318,009-673,712,186.82-302,611,265.96

Finding the Fourth Proportional to 488,318,009, 673,712,186.82 and 302,611,265.96

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Solution

The fourth proportional to 488,318,009, 673,712,186.82 and 302,611,265.96 is: 417,500,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,318,009 : 673,712,186.82 = 302,611,265.96 : x
  2. Step 2: Convert to fraction form
    488,318,009/673,712,186.82 = 302,611,265.96/x
  3. Step 3: Cross multiply
    488,318,009x = 673,712,186.82 × 302,611,265.96
  4. Step 4: Simplify right side
    488,318,009x = 203,872,897,746,280,224
  5. Step 5: Solve for x
    x = 203,872,897,746,280,224/488,318,009
  6. Step 6: Final answer
    x = 417,500,264.15

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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.