Home / 1,455,381,548.41-2,008,426,536.79-828,908,268.79

Finding the Fourth Proportional to 1,455,381,548.41, 2,008,426,536.79 and 828,908,268.79

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Solution

The fourth proportional to 1,455,381,548.41, 2,008,426,536.79 and 828,908,268.79 is: 1,143,893,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,381,548.41 : 2,008,426,536.79 = 828,908,268.79 : x
  2. Step 2: Convert to fraction form
    1,455,381,548.41/2,008,426,536.79 = 828,908,268.79/x
  3. Step 3: Cross multiply
    1,455,381,548.41x = 2,008,426,536.79 × 828,908,268.79
  4. Step 4: Simplify right side
    1,455,381,548.41x = 1,664,801,363,599,116,288
  5. Step 5: Solve for x
    x = 1,664,801,363,599,116,288/1,455,381,548.41
  6. Step 6: Final answer
    x = 1,143,893,410.92

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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.