Home / 624,100,710-861,261,856.92-345,636,395.76

Finding the Fourth Proportional to 624,100,710, 861,261,856.92 and 345,636,395.76

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Solution

The fourth proportional to 624,100,710, 861,261,856.92 and 345,636,395.76 is: 476,979,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,100,710 : 861,261,856.92 = 345,636,395.76 : x
  2. Step 2: Convert to fraction form
    624,100,710/861,261,856.92 = 345,636,395.76/x
  3. Step 3: Cross multiply
    624,100,710x = 861,261,856.92 × 345,636,395.76
  4. Step 4: Simplify right side
    624,100,710x = 297,683,444,031,393,600
  5. Step 5: Solve for x
    x = 297,683,444,031,393,600/624,100,710
  6. Step 6: Final answer
    x = 476,979,819.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.