Home / 698,470,040.40-1,046,193,406.20-374,975,998.80

Finding the Fourth Proportional to 698,470,040.40, 1,046,193,406.20 and 374,975,998.80

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Solution

The fourth proportional to 698,470,040.40, 1,046,193,406.20 and 374,975,998.80 is: 561,652,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,470,040.40 : 1,046,193,406.20 = 374,975,998.80 : x
  2. Step 2: Convert to fraction form
    698,470,040.40/1,046,193,406.20 = 374,975,998.80/x
  3. Step 3: Cross multiply
    698,470,040.40x = 1,046,193,406.20 × 374,975,998.80
  4. Step 4: Simplify right side
    698,470,040.40x = 392,297,417,427,819,136
  5. Step 5: Solve for x
    x = 392,297,417,427,819,136/698,470,040.40
  6. Step 6: Final answer
    x = 561,652,461.43

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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.