Home / 907,243,387.20-1,359,969,285.60-446,804,654.40

Finding the Fourth Proportional to 907,243,387.20, 1,359,969,285.60 and 446,804,654.40

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Solution

The fourth proportional to 907,243,387.20, 1,359,969,285.60 and 446,804,654.40 is: 669,765,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,243,387.20 : 1,359,969,285.60 = 446,804,654.40 : x
  2. Step 2: Convert to fraction form
    907,243,387.20/1,359,969,285.60 = 446,804,654.40/x
  3. Step 3: Cross multiply
    907,243,387.20x = 1,359,969,285.60 × 446,804,654.40
  4. Step 4: Simplify right side
    907,243,387.20x = 607,640,606,647,122,816
  5. Step 5: Solve for x
    x = 607,640,606,647,122,816/907,243,387.20
  6. Step 6: Final answer
    x = 669,765,815.02

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1.5x scale

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.