Home / 1,174,828,963.20-1,762,915,291.20-811,584,009.60

Finding the Fourth Proportional to 1,174,828,963.20, 1,762,915,291.20 and 811,584,009.60

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Solution

The fourth proportional to 1,174,828,963.20, 1,762,915,291.20 and 811,584,009.60 is: 1,217,840,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,828,963.20 : 1,762,915,291.20 = 811,584,009.60 : x
  2. Step 2: Convert to fraction form
    1,174,828,963.20/1,762,915,291.20 = 811,584,009.60/x
  3. Step 3: Cross multiply
    1,174,828,963.20x = 1,762,915,291.20 × 811,584,009.60
  4. Step 4: Simplify right side
    1,174,828,963.20x = 1,430,753,860,617,247,744
  5. Step 5: Solve for x
    x = 1,430,753,860,617,247,744/1,174,828,963.20
  6. Step 6: Final answer
    x = 1,217,840,132.85

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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.