Home / 710,103,864.40-1,064,483,950.20-419,194,373.20

Finding the Fourth Proportional to 710,103,864.40, 1,064,483,950.20 and 419,194,373.20

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Solution

The fourth proportional to 710,103,864.40, 1,064,483,950.20 and 419,194,373.20 is: 628,394,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,103,864.40 : 1,064,483,950.20 = 419,194,373.20 : x
  2. Step 2: Convert to fraction form
    710,103,864.40/1,064,483,950.20 = 419,194,373.20/x
  3. Step 3: Cross multiply
    710,103,864.40x = 1,064,483,950.20 × 419,194,373.20
  4. Step 4: Simplify right side
    710,103,864.40x = 446,225,682,285,548,992
  5. Step 5: Solve for x
    x = 446,225,682,285,548,992/710,103,864.40
  6. Step 6: Final answer
    x = 628,394,949.89

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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.