Home / 314,928,815.40-472,629,419.10-161,495,893.80

Finding the Fourth Proportional to 314,928,815.40, 472,629,419.10 and 161,495,893.80

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Solution

The fourth proportional to 314,928,815.40, 472,629,419.10 and 161,495,893.80 is: 242,364,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,815.40 : 472,629,419.10 = 161,495,893.80 : x
  2. Step 2: Convert to fraction form
    314,928,815.40/472,629,419.10 = 161,495,893.80/x
  3. Step 3: Cross multiply
    314,928,815.40x = 472,629,419.10 × 161,495,893.80
  4. Step 4: Simplify right side
    314,928,815.40x = 76,327,710,473,729,296
  5. Step 5: Solve for x
    x = 76,327,710,473,729,296/314,928,815.40
  6. Step 6: Final answer
    x = 242,364,962.31

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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.