Home / 802,766,342.70-1,203,793,608.36-429,183,576.18

Finding the Fourth Proportional to 802,766,342.70, 1,203,793,608.36 and 429,183,576.18

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Solution

The fourth proportional to 802,766,342.70, 1,203,793,608.36 and 429,183,576.18 is: 643,585,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,766,342.70 : 1,203,793,608.36 = 429,183,576.18 : x
  2. Step 2: Convert to fraction form
    802,766,342.70/1,203,793,608.36 = 429,183,576.18/x
  3. Step 3: Cross multiply
    802,766,342.70x = 1,203,793,608.36 × 429,183,576.18
  4. Step 4: Simplify right side
    802,766,342.70x = 516,648,445,818,571,136
  5. Step 5: Solve for x
    x = 516,648,445,818,571,136/802,766,342.70
  6. Step 6: Final answer
    x = 643,585,086.14

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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.