Home / 658,746,934.10-909,012,871.42-376,433,351.02

Finding the Fourth Proportional to 658,746,934.10, 909,012,871.42 and 376,433,351.02

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Solution

The fourth proportional to 658,746,934.10, 909,012,871.42 and 376,433,351.02 is: 519,444,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,746,934.10 : 909,012,871.42 = 376,433,351.02 : x
  2. Step 2: Convert to fraction form
    658,746,934.10/909,012,871.42 = 376,433,351.02/x
  3. Step 3: Cross multiply
    658,746,934.10x = 909,012,871.42 × 376,433,351.02
  4. Step 4: Simplify right side
    658,746,934.10x = 342,182,761,308,942,976
  5. Step 5: Solve for x
    x = 342,182,761,308,942,976/658,746,934.10
  6. Step 6: Final answer
    x = 519,444,939.47

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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.