Home / 1,119,800,833.60-1,679,953,192.80-659,502,068.80

Finding the Fourth Proportional to 1,119,800,833.60, 1,679,953,192.80 and 659,502,068.80

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Solution

The fourth proportional to 1,119,800,833.60, 1,679,953,192.80 and 659,502,068.80 is: 989,401,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,800,833.60 : 1,679,953,192.80 = 659,502,068.80 : x
  2. Step 2: Convert to fraction form
    1,119,800,833.60/1,679,953,192.80 = 659,502,068.80/x
  3. Step 3: Cross multiply
    1,119,800,833.60x = 1,679,953,192.80 × 659,502,068.80
  4. Step 4: Simplify right side
    1,119,800,833.60x = 1,107,932,606,138,765,184
  5. Step 5: Solve for x
    x = 1,107,932,606,138,765,184/1,119,800,833.60
  6. Step 6: Final answer
    x = 989,401,483.63

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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.