Home / 523,352,605.18-722,366,057.31-308,959,756.45

Finding the Fourth Proportional to 523,352,605.18, 722,366,057.31 and 308,959,756.45

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Solution

The fourth proportional to 523,352,605.18, 722,366,057.31 and 308,959,756.45 is: 426,446,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,352,605.18 : 722,366,057.31 = 308,959,756.45 : x
  2. Step 2: Convert to fraction form
    523,352,605.18/722,366,057.31 = 308,959,756.45/x
  3. Step 3: Cross multiply
    523,352,605.18x = 722,366,057.31 × 308,959,756.45
  4. Step 4: Simplify right side
    523,352,605.18x = 223,182,041,135,091,360
  5. Step 5: Solve for x
    x = 223,182,041,135,091,360/523,352,605.18
  6. Step 6: Final answer
    x = 426,446,795.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.