Home / 397,871,999.40-596,807,999.10-363,434,622.60

Finding the Fourth Proportional to 397,871,999.40, 596,807,999.10 and 363,434,622.60

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Solution

The fourth proportional to 397,871,999.40, 596,807,999.10 and 363,434,622.60 is: 545,151,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,871,999.40 : 596,807,999.10 = 363,434,622.60 : x
  2. Step 2: Convert to fraction form
    397,871,999.40/596,807,999.10 = 363,434,622.60/x
  3. Step 3: Cross multiply
    397,871,999.40x = 596,807,999.10 × 363,434,622.60
  4. Step 4: Simplify right side
    397,871,999.40x = 216,900,689,917,569,664
  5. Step 5: Solve for x
    x = 216,900,689,917,569,664/397,871,999.40
  6. Step 6: Final answer
    x = 545,151,933.90

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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.