Home / 13,413,620,704.19-18,510,362,395.89-7,698,845,789.06

Finding the Fourth Proportional to 13,413,620,704.19, 18,510,362,395.89 and 7,698,845,789.06

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Solution

The fourth proportional to 13,413,620,704.19, 18,510,362,395.89 and 7,698,845,789.06 is: 10,624,157,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,620,704.19 : 18,510,362,395.89 = 7,698,845,789.06 : x
  2. Step 2: Convert to fraction form
    13,413,620,704.19/18,510,362,395.89 = 7,698,845,789.06/x
  3. Step 3: Cross multiply
    13,413,620,704.19x = 18,510,362,395.89 × 7,698,845,789.06
  4. Step 4: Simplify right side
    13,413,620,704.19x = 142,508,425,585,572,298,752
  5. Step 5: Solve for x
    x = 142,508,425,585,572,298,752/13,413,620,704.19
  6. Step 6: Final answer
    x = 10,624,157,990.47

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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.