Home / 607,362,450.71-838,160,990.30-328,904,454.47

Finding the Fourth Proportional to 607,362,450.71, 838,160,990.30 and 328,904,454.47

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Solution

The fourth proportional to 607,362,450.71, 838,160,990.30 and 328,904,454.47 is: 453,888,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,362,450.71 : 838,160,990.30 = 328,904,454.47 : x
  2. Step 2: Convert to fraction form
    607,362,450.71/838,160,990.30 = 328,904,454.47/x
  3. Step 3: Cross multiply
    607,362,450.71x = 838,160,990.30 × 328,904,454.47
  4. Step 4: Simplify right side
    607,362,450.71x = 275,674,883,272,656,480
  5. Step 5: Solve for x
    x = 275,674,883,272,656,480/607,362,450.71
  6. Step 6: Final answer
    x = 453,888,584.90

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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.