Home / 10,077,702,949.80-15,116,554,424.70-7,304,321,010.60

Finding the Fourth Proportional to 10,077,702,949.80, 15,116,554,424.70 and 7,304,321,010.60

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Solution

The fourth proportional to 10,077,702,949.80, 15,116,554,424.70 and 7,304,321,010.60 is: 10,956,481,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077,702,949.80 : 15,116,554,424.70 = 7,304,321,010.60 : x
  2. Step 2: Convert to fraction form
    10,077,702,949.80/15,116,554,424.70 = 7,304,321,010.60/x
  3. Step 3: Cross multiply
    10,077,702,949.80x = 15,116,554,424.70 × 7,304,321,010.60
  4. Step 4: Simplify right side
    10,077,702,949.80x = 110,416,166,092,214,616,064
  5. Step 5: Solve for x
    x = 110,416,166,092,214,616,064/10,077,702,949.80
  6. Step 6: Final answer
    x = 10,956,481,515.90

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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.