Home / 734,225,404.80-1,013,200,019.04-399,690,972.48

Finding the Fourth Proportional to 734,225,404.80, 1,013,200,019.04 and 399,690,972.48

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Solution

The fourth proportional to 734,225,404.80, 1,013,200,019.04 and 399,690,972.48 is: 551,556,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,225,404.80 : 1,013,200,019.04 = 399,690,972.48 : x
  2. Step 2: Convert to fraction form
    734,225,404.80/1,013,200,019.04 = 399,690,972.48/x
  3. Step 3: Cross multiply
    734,225,404.80x = 1,013,200,019.04 × 399,690,972.48
  4. Step 4: Simplify right side
    734,225,404.80x = 404,966,900,926,852,096
  5. Step 5: Solve for x
    x = 404,966,900,926,852,096/734,225,404.80
  6. Step 6: Final answer
    x = 551,556,644.97

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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.