Home / 1,120,082,994.60-1,679,620,607.10-429,760,818.60

Finding the Fourth Proportional to 1,120,082,994.60, 1,679,620,607.10 and 429,760,818.60

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Solution

The fourth proportional to 1,120,082,994.60, 1,679,620,607.10 and 429,760,818.60 is: 644,447,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,082,994.60 : 1,679,620,607.10 = 429,760,818.60 : x
  2. Step 2: Convert to fraction form
    1,120,082,994.60/1,679,620,607.10 = 429,760,818.60/x
  3. Step 3: Cross multiply
    1,120,082,994.60x = 1,679,620,607.10 × 429,760,818.60
  4. Step 4: Simplify right side
    1,120,082,994.60x = 721,835,127,044,724,992
  5. Step 5: Solve for x
    x = 721,835,127,044,724,992/1,120,082,994.60
  6. Step 6: Final answer
    x = 644,447,894.06

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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.