Home / 710,103,717.40-1,064,483,729.70-419,194,226.20

Finding the Fourth Proportional to 710,103,717.40, 1,064,483,729.70 and 419,194,226.20

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Solution

The fourth proportional to 710,103,717.40, 1,064,483,729.70 and 419,194,226.20 is: 628,394,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,103,717.40 : 1,064,483,729.70 = 419,194,226.20 : x
  2. Step 2: Convert to fraction form
    710,103,717.40/1,064,483,729.70 = 419,194,226.20/x
  3. Step 3: Cross multiply
    710,103,717.40x = 1,064,483,729.70 × 419,194,226.20
  4. Step 4: Simplify right side
    710,103,717.40x = 446,225,433,374,081,472
  5. Step 5: Solve for x
    x = 446,225,433,374,081,472/710,103,717.40
  6. Step 6: Final answer
    x = 628,394,729.45

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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.