Home / 972,505,756.20-1,457,520,003.90-397,427,356.20

Finding the Fourth Proportional to 972,505,756.20, 1,457,520,003.90 and 397,427,356.20

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Solution

The fourth proportional to 972,505,756.20, 1,457,520,003.90 and 397,427,356.20 is: 595,634,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,505,756.20 : 1,457,520,003.90 = 397,427,356.20 : x
  2. Step 2: Convert to fraction form
    972,505,756.20/1,457,520,003.90 = 397,427,356.20/x
  3. Step 3: Cross multiply
    972,505,756.20x = 1,457,520,003.90 × 397,427,356.20
  4. Step 4: Simplify right side
    972,505,756.20x = 579,258,321,758,590,720
  5. Step 5: Solve for x
    x = 579,258,321,758,590,720/972,505,756.20
  6. Step 6: Final answer
    x = 595,634,851.58

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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.