Home / 677,137,956,268.36-934,450,532,178.61-372,643,612,249.77

Finding the Fourth Proportional to 677,137,956,268.36, 934,450,532,178.61 and 372,643,612,249.77

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Solution

The fourth proportional to 677,137,956,268.36, 934,450,532,178.61 and 372,643,612,249.77 is: 514,248,268,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,137,956,268.36 : 934,450,532,178.61 = 372,643,612,249.77 : x
  2. Step 2: Convert to fraction form
    677,137,956,268.36/934,450,532,178.61 = 372,643,612,249.77/x
  3. Step 3: Cross multiply
    677,137,956,268.36x = 934,450,532,178.61 × 372,643,612,249.77
  4. Step 4: Simplify right side
    677,137,956,268.36x = 348,217,021,779,757,192,183,808
  5. Step 5: Solve for x
    x = 348,217,021,779,757,192,183,808/677,137,956,268.36
  6. Step 6: Final answer
    x = 514,248,268,844.28

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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.