Home / 604,344,124.20-906,516,186.30-420,678,114.60

Finding the Fourth Proportional to 604,344,124.20, 906,516,186.30 and 420,678,114.60

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Solution

The fourth proportional to 604,344,124.20, 906,516,186.30 and 420,678,114.60 is: 631,017,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,344,124.20 : 906,516,186.30 = 420,678,114.60 : x
  2. Step 2: Convert to fraction form
    604,344,124.20/906,516,186.30 = 420,678,114.60/x
  3. Step 3: Cross multiply
    604,344,124.20x = 906,516,186.30 × 420,678,114.60
  4. Step 4: Simplify right side
    604,344,124.20x = 381,351,520,107,066,368
  5. Step 5: Solve for x
    x = 381,351,520,107,066,368/604,344,124.20
  6. Step 6: Final answer
    x = 631,017,171.90

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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.