Home / 357,695,999.40-536,543,999.10-266,996,735.40

Finding the Fourth Proportional to 357,695,999.40, 536,543,999.10 and 266,996,735.40

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Solution

The fourth proportional to 357,695,999.40, 536,543,999.10 and 266,996,735.40 is: 400,495,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,695,999.40 : 536,543,999.10 = 266,996,735.40 : x
  2. Step 2: Convert to fraction form
    357,695,999.40/536,543,999.10 = 266,996,735.40/x
  3. Step 3: Cross multiply
    357,695,999.40x = 536,543,999.10 × 266,996,735.40
  4. Step 4: Simplify right side
    357,695,999.40x = 143,255,496,158,160,544
  5. Step 5: Solve for x
    x = 143,255,496,158,160,544/357,695,999.40
  6. Step 6: Final answer
    x = 400,495,103.10

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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.