Home / 927,175,999.20-1,390,763,998.80-237,137,258.40

Finding the Fourth Proportional to 927,175,999.20, 1,390,763,998.80 and 237,137,258.40

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Solution

The fourth proportional to 927,175,999.20, 1,390,763,998.80 and 237,137,258.40 is: 355,705,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,175,999.20 : 1,390,763,998.80 = 237,137,258.40 : x
  2. Step 2: Convert to fraction form
    927,175,999.20/1,390,763,998.80 = 237,137,258.40/x
  3. Step 3: Cross multiply
    927,175,999.20x = 1,390,763,998.80 × 237,137,258.40
  4. Step 4: Simplify right side
    927,175,999.20x = 329,801,961,756,852,864
  5. Step 5: Solve for x
    x = 329,801,961,756,852,864/927,175,999.20
  6. Step 6: Final answer
    x = 355,705,887.60

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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.