Home / 739,732,778.36-1,020,444,208.79-457,384,963.38

Finding the Fourth Proportional to 739,732,778.36, 1,020,444,208.79 and 457,384,963.38

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Solution

The fourth proportional to 739,732,778.36, 1,020,444,208.79 and 457,384,963.38 is: 630,951,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,732,778.36 : 1,020,444,208.79 = 457,384,963.38 : x
  2. Step 2: Convert to fraction form
    739,732,778.36/1,020,444,208.79 = 457,384,963.38/x
  3. Step 3: Cross multiply
    739,732,778.36x = 1,020,444,208.79 × 457,384,963.38
  4. Step 4: Simplify right side
    739,732,778.36x = 466,735,837,069,890,688
  5. Step 5: Solve for x
    x = 466,735,837,069,890,688/739,732,778.36
  6. Step 6: Final answer
    x = 630,951,947.42

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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.