Home / 449,403,863.68-620,146,007.04-253,795,784.32

Finding the Fourth Proportional to 449,403,863.68, 620,146,007.04 and 253,795,784.32

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Solution

The fourth proportional to 449,403,863.68, 620,146,007.04 and 253,795,784.32 is: 350,220,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,403,863.68 : 620,146,007.04 = 253,795,784.32 : x
  2. Step 2: Convert to fraction form
    449,403,863.68/620,146,007.04 = 253,795,784.32/x
  3. Step 3: Cross multiply
    449,403,863.68x = 620,146,007.04 × 253,795,784.32
  4. Step 4: Simplify right side
    449,403,863.68x = 157,390,442,249,633,024
  5. Step 5: Solve for x
    x = 157,390,442,249,633,024/449,403,863.68
  6. Step 6: Final answer
    x = 350,220,492.01

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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.