Home / 698,470,041.40-1,046,193,407.70-374,975,999.80

Finding the Fourth Proportional to 698,470,041.40, 1,046,193,407.70 and 374,975,999.80

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Solution

The fourth proportional to 698,470,041.40, 1,046,193,407.70 and 374,975,999.80 is: 561,652,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,470,041.40 : 1,046,193,407.70 = 374,975,999.80 : x
  2. Step 2: Convert to fraction form
    698,470,041.40/1,046,193,407.70 = 374,975,999.80/x
  3. Step 3: Cross multiply
    698,470,041.40x = 1,046,193,407.70 × 374,975,999.80
  4. Step 4: Simplify right side
    698,470,041.40x = 392,297,419,036,476,544
  5. Step 5: Solve for x
    x = 392,297,419,036,476,544/698,470,041.40
  6. Step 6: Final answer
    x = 561,652,462.93

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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.