Home / 302,215,312.20-453,322,968.30-236,458,345.80

Finding the Fourth Proportional to 302,215,312.20, 453,322,968.30 and 236,458,345.80

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Solution

The fourth proportional to 302,215,312.20, 453,322,968.30 and 236,458,345.80 is: 354,687,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,215,312.20 : 453,322,968.30 = 236,458,345.80 : x
  2. Step 2: Convert to fraction form
    302,215,312.20/453,322,968.30 = 236,458,345.80/x
  3. Step 3: Cross multiply
    302,215,312.20x = 453,322,968.30 × 236,458,345.80
  4. Step 4: Simplify right side
    302,215,312.20x = 107,191,999,197,363,840
  5. Step 5: Solve for x
    x = 107,191,999,197,363,840/302,215,312.20
  6. Step 6: Final answer
    x = 354,687,518.70

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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.