Home / 710,103,812.40-1,064,483,872.20-419,194,321.20

Finding the Fourth Proportional to 710,103,812.40, 1,064,483,872.20 and 419,194,321.20

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Solution

The fourth proportional to 710,103,812.40, 1,064,483,872.20 and 419,194,321.20 is: 628,394,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,103,812.40 : 1,064,483,872.20 = 419,194,321.20 : x
  2. Step 2: Convert to fraction form
    710,103,812.40/1,064,483,872.20 = 419,194,321.20/x
  3. Step 3: Cross multiply
    710,103,812.40x = 1,064,483,872.20 × 419,194,321.20
  4. Step 4: Simplify right side
    710,103,812.40x = 446,225,594,235,226,560
  5. Step 5: Solve for x
    x = 446,225,594,235,226,560/710,103,812.40
  6. Step 6: Final answer
    x = 628,394,871.91

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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.