Home / 264,695,605.40-397,043,408.10-203,473,602.20

Finding the Fourth Proportional to 264,695,605.40, 397,043,408.10 and 203,473,602.20

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Solution

The fourth proportional to 264,695,605.40, 397,043,408.10 and 203,473,602.20 is: 305,210,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,695,605.40 : 397,043,408.10 = 203,473,602.20 : x
  2. Step 2: Convert to fraction form
    264,695,605.40/397,043,408.10 = 203,473,602.20/x
  3. Step 3: Cross multiply
    264,695,605.40x = 397,043,408.10 × 203,473,602.20
  4. Step 4: Simplify right side
    264,695,605.40x = 80,787,852,475,871,664
  5. Step 5: Solve for x
    x = 80,787,852,475,871,664/264,695,605.40
  6. Step 6: Final answer
    x = 305,210,403.30

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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.