Home / 624,100,719-861,261,869.34-345,636,404.76

Finding the Fourth Proportional to 624,100,719, 861,261,869.34 and 345,636,404.76

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Solution

The fourth proportional to 624,100,719, 861,261,869.34 and 345,636,404.76 is: 476,979,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,100,719 : 861,261,869.34 = 345,636,404.76 : x
  2. Step 2: Convert to fraction form
    624,100,719/861,261,869.34 = 345,636,404.76/x
  3. Step 3: Cross multiply
    624,100,719x = 861,261,869.34 × 345,636,404.76
  4. Step 4: Simplify right side
    624,100,719x = 297,683,456,075,554,496
  5. Step 5: Solve for x
    x = 297,683,456,075,554,496/624,100,719
  6. Step 6: Final answer
    x = 476,979,831.96

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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.