Home / 663,655,460,706.50-915,834,789,028.18-370,684,659,048.81

Finding the Fourth Proportional to 663,655,460,706.50, 915,834,789,028.18 and 370,684,659,048.81

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Solution

The fourth proportional to 663,655,460,706.50, 915,834,789,028.18 and 370,684,659,048.81 is: 511,539,385,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,655,460,706.50 : 915,834,789,028.18 = 370,684,659,048.81 : x
  2. Step 2: Convert to fraction form
    663,655,460,706.50/915,834,789,028.18 = 370,684,659,048.81/x
  3. Step 3: Cross multiply
    663,655,460,706.50x = 915,834,789,028.18 × 370,684,659,048.81
  4. Step 4: Simplify right side
    663,655,460,706.50x = 339,485,906,515,949,776,797,696
  5. Step 5: Solve for x
    x = 339,485,906,515,949,776,797,696/663,655,460,706.50
  6. Step 6: Final answer
    x = 511,539,385,443.39

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Double scale
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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.