Home / 1,116,738,910.80-1,675,108,366.20-703,490,389.20

Finding the Fourth Proportional to 1,116,738,910.80, 1,675,108,366.20 and 703,490,389.20

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Solution

The fourth proportional to 1,116,738,910.80, 1,675,108,366.20 and 703,490,389.20 is: 1,055,235,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,738,910.80 : 1,675,108,366.20 = 703,490,389.20 : x
  2. Step 2: Convert to fraction form
    1,116,738,910.80/1,675,108,366.20 = 703,490,389.20/x
  3. Step 3: Cross multiply
    1,116,738,910.80x = 1,675,108,366.20 × 703,490,389.20
  4. Step 4: Simplify right side
    1,116,738,910.80x = 1,178,422,636,490,214,144
  5. Step 5: Solve for x
    x = 1,178,422,636,490,214,144/1,116,738,910.80
  6. Step 6: Final answer
    x = 1,055,235,583.80

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Double scale
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1.5x scale

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.