Home / 257,430,644.40-386,145,966.60-236,267,482.80

Finding the Fourth Proportional to 257,430,644.40, 386,145,966.60 and 236,267,482.80

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Solution

The fourth proportional to 257,430,644.40, 386,145,966.60 and 236,267,482.80 is: 354,401,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,430,644.40 : 386,145,966.60 = 236,267,482.80 : x
  2. Step 2: Convert to fraction form
    257,430,644.40/386,145,966.60 = 236,267,482.80/x
  3. Step 3: Cross multiply
    257,430,644.40x = 386,145,966.60 × 236,267,482.80
  4. Step 4: Simplify right side
    257,430,644.40x = 91,233,735,521,954,880
  5. Step 5: Solve for x
    x = 91,233,735,521,954,880/257,430,644.40
  6. Step 6: Final answer
    x = 354,401,224.20

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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.