Home / 19,689,597,916.24-27,171,646,449.96-10,778,926,669.24

Finding the Fourth Proportional to 19,689,597,916.24, 27,171,646,449.96 and 10,778,926,669.24

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Solution

The fourth proportional to 19,689,597,916.24, 27,171,646,449.96 and 10,778,926,669.24 is: 14,874,919,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,597,916.24 : 27,171,646,449.96 = 10,778,926,669.24 : x
  2. Step 2: Convert to fraction form
    19,689,597,916.24/27,171,646,449.96 = 10,778,926,669.24/x
  3. Step 3: Cross multiply
    19,689,597,916.24x = 27,171,646,449.96 × 10,778,926,669.24
  4. Step 4: Simplify right side
    19,689,597,916.24x = 292,881,184,566,634,184,704
  5. Step 5: Solve for x
    x = 292,881,184,566,634,184,704/19,689,597,916.24
  6. Step 6: Final answer
    x = 14,874,919,529.21

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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.