Home / 299,090,807.40-448,636,211.10-196,970,154.60

Finding the Fourth Proportional to 299,090,807.40, 448,636,211.10 and 196,970,154.60

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Solution

The fourth proportional to 299,090,807.40, 448,636,211.10 and 196,970,154.60 is: 295,455,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,090,807.40 : 448,636,211.10 = 196,970,154.60 : x
  2. Step 2: Convert to fraction form
    299,090,807.40/448,636,211.10 = 196,970,154.60/x
  3. Step 3: Cross multiply
    299,090,807.40x = 448,636,211.10 × 196,970,154.60
  4. Step 4: Simplify right side
    299,090,807.40x = 88,367,943,859,525,232
  5. Step 5: Solve for x
    x = 88,367,943,859,525,232/299,090,807.40
  6. Step 6: Final answer
    x = 295,455,231.90

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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.