Home / 13,102,019,905.10-19,653,029,857.65-4,258,841,665.10

Finding the Fourth Proportional to 13,102,019,905.10, 19,653,029,857.65 and 4,258,841,665.10

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Solution

The fourth proportional to 13,102,019,905.10, 19,653,029,857.65 and 4,258,841,665.10 is: 6,388,262,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,019,905.10 : 19,653,029,857.65 = 4,258,841,665.10 : x
  2. Step 2: Convert to fraction form
    13,102,019,905.10/19,653,029,857.65 = 4,258,841,665.10/x
  3. Step 3: Cross multiply
    13,102,019,905.10x = 19,653,029,857.65 × 4,258,841,665.10
  4. Step 4: Simplify right side
    13,102,019,905.10x = 83,699,142,403,214,147,584
  5. Step 5: Solve for x
    x = 83,699,142,403,214,147,584/13,102,019,905.10
  6. Step 6: Final answer
    x = 6,388,262,497.65

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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.