Home / 517,298,226.45-776,290,046.75-284,291,656.66

Finding the Fourth Proportional to 517,298,226.45, 776,290,046.75 and 284,291,656.66

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Solution

The fourth proportional to 517,298,226.45, 776,290,046.75 and 284,291,656.66 is: 426,625,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,298,226.45 : 776,290,046.75 = 284,291,656.66 : x
  2. Step 2: Convert to fraction form
    517,298,226.45/776,290,046.75 = 284,291,656.66/x
  3. Step 3: Cross multiply
    517,298,226.45x = 776,290,046.75 × 284,291,656.66
  4. Step 4: Simplify right side
    517,298,226.45x = 220,692,783,439,226,368
  5. Step 5: Solve for x
    x = 220,692,783,439,226,368/517,298,226.45
  6. Step 6: Final answer
    x = 426,625,826.56

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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.