Home / 302,320,548.80-453,480,823.20-129,767,998.40

Finding the Fourth Proportional to 302,320,548.80, 453,480,823.20 and 129,767,998.40

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Solution

The fourth proportional to 302,320,548.80, 453,480,823.20 and 129,767,998.40 is: 194,651,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,320,548.80 : 453,480,823.20 = 129,767,998.40 : x
  2. Step 2: Convert to fraction form
    302,320,548.80/453,480,823.20 = 129,767,998.40/x
  3. Step 3: Cross multiply
    302,320,548.80x = 453,480,823.20 × 129,767,998.40
  4. Step 4: Simplify right side
    302,320,548.80x = 58,847,298,739,448,288
  5. Step 5: Solve for x
    x = 58,847,298,739,448,288/302,320,548.80
  6. Step 6: Final answer
    x = 194,651,997.60

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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.