Home / 357,263,999.40-535,895,999.10-266,564,735.40

Finding the Fourth Proportional to 357,263,999.40, 535,895,999.10 and 266,564,735.40

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Solution

The fourth proportional to 357,263,999.40, 535,895,999.10 and 266,564,735.40 is: 399,847,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,263,999.40 : 535,895,999.10 = 266,564,735.40 : x
  2. Step 2: Convert to fraction form
    357,263,999.40/535,895,999.10 = 266,564,735.40/x
  3. Step 3: Cross multiply
    357,263,999.40x = 535,895,999.10 × 266,564,735.40
  4. Step 4: Simplify right side
    357,263,999.40x = 142,850,975,202,010,144
  5. Step 5: Solve for x
    x = 142,850,975,202,010,144/357,263,999.40
  6. Step 6: Final answer
    x = 399,847,103.10

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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.