Home / 681,426,090.20-1,022,139,135.30-436,538,077.40

Finding the Fourth Proportional to 681,426,090.20, 1,022,139,135.30 and 436,538,077.40

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Solution

The fourth proportional to 681,426,090.20, 1,022,139,135.30 and 436,538,077.40 is: 654,807,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,426,090.20 : 1,022,139,135.30 = 436,538,077.40 : x
  2. Step 2: Convert to fraction form
    681,426,090.20/1,022,139,135.30 = 436,538,077.40/x
  3. Step 3: Cross multiply
    681,426,090.20x = 1,022,139,135.30 × 436,538,077.40
  4. Step 4: Simplify right side
    681,426,090.20x = 446,202,652,959,160,448
  5. Step 5: Solve for x
    x = 446,202,652,959,160,448/681,426,090.20
  6. Step 6: Final answer
    x = 654,807,116.10

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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.