Home / 941,497,599.04-1,299,278,585.52-518,159,986.32

Finding the Fourth Proportional to 941,497,599.04, 1,299,278,585.52 and 518,159,986.32

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Solution

The fourth proportional to 941,497,599.04, 1,299,278,585.52 and 518,159,986.32 is: 715,067,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,497,599.04 : 1,299,278,585.52 = 518,159,986.32 : x
  2. Step 2: Convert to fraction form
    941,497,599.04/1,299,278,585.52 = 518,159,986.32/x
  3. Step 3: Cross multiply
    941,497,599.04x = 1,299,278,585.52 × 518,159,986.32
  4. Step 4: Simplify right side
    941,497,599.04x = 673,234,174,098,912,128
  5. Step 5: Solve for x
    x = 673,234,174,098,912,128/941,497,599.04
  6. Step 6: Final answer
    x = 715,067,329.74

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1.5x scale

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.