Home / 1,042,915,202.40-1,564,561,760.40-524,039,829.60

Finding the Fourth Proportional to 1,042,915,202.40, 1,564,561,760.40 and 524,039,829.60

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Solution

The fourth proportional to 1,042,915,202.40, 1,564,561,760.40 and 524,039,829.60 is: 786,154,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,915,202.40 : 1,564,561,760.40 = 524,039,829.60 : x
  2. Step 2: Convert to fraction form
    1,042,915,202.40/1,564,561,760.40 = 524,039,829.60/x
  3. Step 3: Cross multiply
    1,042,915,202.40x = 1,564,561,760.40 × 524,039,829.60
  4. Step 4: Simplify right side
    1,042,915,202.40x = 819,892,678,318,692,096
  5. Step 5: Solve for x
    x = 819,892,678,318,692,096/1,042,915,202.40
  6. Step 6: Final answer
    x = 786,154,690.65

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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.