Home / 19,689,597,722.73-27,171,646,185.48-10,778,926,475.73

Finding the Fourth Proportional to 19,689,597,722.73, 27,171,646,185.48 and 10,778,926,475.73

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Solution

The fourth proportional to 19,689,597,722.73, 27,171,646,185.48 and 10,778,926,475.73 is: 14,874,919,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,597,722.73 : 27,171,646,185.48 = 10,778,926,475.73 : x
  2. Step 2: Convert to fraction form
    19,689,597,722.73/27,171,646,185.48 = 10,778,926,475.73/x
  3. Step 3: Cross multiply
    19,689,597,722.73x = 27,171,646,185.48 × 10,778,926,475.73
  4. Step 4: Simplify right side
    19,689,597,722.73x = 292,881,176,457,702,572,032
  5. Step 5: Solve for x
    x = 292,881,176,457,702,572,032/19,689,597,722.73
  6. Step 6: Final answer
    x = 14,874,919,263.57

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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.