Home / 328,938,840.53-493,059,343.17-153,914,411.51

Finding the Fourth Proportional to 328,938,840.53, 493,059,343.17 and 153,914,411.51

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Solution

The fourth proportional to 328,938,840.53, 493,059,343.17 and 153,914,411.51 is: 230,708,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,938,840.53 : 493,059,343.17 = 153,914,411.51 : x
  2. Step 2: Convert to fraction form
    328,938,840.53/493,059,343.17 = 153,914,411.51/x
  3. Step 3: Cross multiply
    328,938,840.53x = 493,059,343.17 × 153,914,411.51
  4. Step 4: Simplify right side
    328,938,840.53x = 75,888,938,643,517,680
  5. Step 5: Solve for x
    x = 75,888,938,643,517,680/328,938,840.53
  6. Step 6: Final answer
    x = 230,708,354.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.