Home / 1,119,800,768.60-1,679,953,095.30-659,502,003.80

Finding the Fourth Proportional to 1,119,800,768.60, 1,679,953,095.30 and 659,502,003.80

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Solution

The fourth proportional to 1,119,800,768.60, 1,679,953,095.30 and 659,502,003.80 is: 989,401,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,800,768.60 : 1,679,953,095.30 = 659,502,003.80 : x
  2. Step 2: Convert to fraction form
    1,119,800,768.60/1,679,953,095.30 = 659,502,003.80/x
  3. Step 3: Cross multiply
    1,119,800,768.60x = 1,679,953,095.30 × 659,502,003.80
  4. Step 4: Simplify right side
    1,119,800,768.60x = 1,107,932,432,640,362,240
  5. Step 5: Solve for x
    x = 1,107,932,432,640,362,240/1,119,800,768.60
  6. Step 6: Final answer
    x = 989,401,386.13

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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.