Home / 697,040,735.21-1,045,178,202.87-478,746,000.89

Finding the Fourth Proportional to 697,040,735.21, 1,045,178,202.87 and 478,746,000.89

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Solution

The fourth proportional to 697,040,735.21, 1,045,178,202.87 and 478,746,000.89 is: 717,856,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,040,735.21 : 1,045,178,202.87 = 478,746,000.89 : x
  2. Step 2: Convert to fraction form
    697,040,735.21/1,045,178,202.87 = 478,746,000.89/x
  3. Step 3: Cross multiply
    697,040,735.21x = 1,045,178,202.87 × 478,746,000.89
  4. Step 4: Simplify right side
    697,040,735.21x = 500,374,884,841,409,600
  5. Step 5: Solve for x
    x = 500,374,884,841,409,600/697,040,735.21
  6. Step 6: Final answer
    x = 717,856,015.53

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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.