Home / 697,248,591.40-1,045,760,912.70-212,461,647.40

Finding the Fourth Proportional to 697,248,591.40, 1,045,760,912.70 and 212,461,647.40

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Solution

The fourth proportional to 697,248,591.40, 1,045,760,912.70 and 212,461,647.40 is: 318,658,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,248,591.40 : 1,045,760,912.70 = 212,461,647.40 : x
  2. Step 2: Convert to fraction form
    697,248,591.40/1,045,760,912.70 = 212,461,647.40/x
  3. Step 3: Cross multiply
    697,248,591.40x = 1,045,760,912.70 × 212,461,647.40
  4. Step 4: Simplify right side
    697,248,591.40x = 222,184,086,298,769,600
  5. Step 5: Solve for x
    x = 222,184,086,298,769,600/697,248,591.40
  6. Step 6: Final answer
    x = 318,658,350.89

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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.