Home / 746,472,316.64-1,120,208,350.76-309,773,420.64

Finding the Fourth Proportional to 746,472,316.64, 1,120,208,350.76 and 309,773,420.64

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Solution

The fourth proportional to 746,472,316.64, 1,120,208,350.76 and 309,773,420.64 is: 464,867,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,472,316.64 : 1,120,208,350.76 = 309,773,420.64 : x
  2. Step 2: Convert to fraction form
    746,472,316.64/1,120,208,350.76 = 309,773,420.64/x
  3. Step 3: Cross multiply
    746,472,316.64x = 1,120,208,350.76 × 309,773,420.64
  4. Step 4: Simplify right side
    746,472,316.64x = 347,010,772,644,418,112
  5. Step 5: Solve for x
    x = 347,010,772,644,418,112/746,472,316.64
  6. Step 6: Final answer
    x = 464,867,570.99

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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.