Home / 739,911,175.29-1,020,947,631.75-422,226,374.31

Finding the Fourth Proportional to 739,911,175.29, 1,020,947,631.75 and 422,226,374.31

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Solution

The fourth proportional to 739,911,175.29, 1,020,947,631.75 and 422,226,374.31 is: 582,598,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,911,175.29 : 1,020,947,631.75 = 422,226,374.31 : x
  2. Step 2: Convert to fraction form
    739,911,175.29/1,020,947,631.75 = 422,226,374.31/x
  3. Step 3: Cross multiply
    739,911,175.29x = 1,020,947,631.75 × 422,226,374.31
  4. Step 4: Simplify right side
    739,911,175.29x = 431,071,016,914,183,552
  5. Step 5: Solve for x
    x = 431,071,016,914,183,552/739,911,175.29
  6. Step 6: Final answer
    x = 582,598,332.49

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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.