Home / 839,990,874.92-1,159,014,348.38-482,689,638.14

Finding the Fourth Proportional to 839,990,874.92, 1,159,014,348.38 and 482,689,638.14

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Solution

The fourth proportional to 839,990,874.92, 1,159,014,348.38 and 482,689,638.14 is: 666,012,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,990,874.92 : 1,159,014,348.38 = 482,689,638.14 : x
  2. Step 2: Convert to fraction form
    839,990,874.92/1,159,014,348.38 = 482,689,638.14/x
  3. Step 3: Cross multiply
    839,990,874.92x = 1,159,014,348.38 × 482,689,638.14
  4. Step 4: Simplify right side
    839,990,874.92x = 559,444,216,414,021,696
  5. Step 5: Solve for x
    x = 559,444,216,414,021,696/839,990,874.92
  6. Step 6: Final answer
    x = 666,012,254.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.