Home / 447,945,999.60-671,918,999.40-124,829,871.60

Finding the Fourth Proportional to 447,945,999.60, 671,918,999.40 and 124,829,871.60

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Solution

The fourth proportional to 447,945,999.60, 671,918,999.40 and 124,829,871.60 is: 187,244,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,945,999.60 : 671,918,999.40 = 124,829,871.60 : x
  2. Step 2: Convert to fraction form
    447,945,999.60/671,918,999.40 = 124,829,871.60/x
  3. Step 3: Cross multiply
    447,945,999.60x = 671,918,999.40 × 124,829,871.60
  4. Step 4: Simplify right side
    447,945,999.60x = 83,875,562,420,702,464
  5. Step 5: Solve for x
    x = 83,875,562,420,702,464/447,945,999.60
  6. Step 6: Final answer
    x = 187,244,807.40

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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.