Home / 389,816,965.76-537,746,167.85-264,326,719.86

Finding the Fourth Proportional to 389,816,965.76, 537,746,167.85 and 264,326,719.86

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Solution

The fourth proportional to 389,816,965.76, 537,746,167.85 and 264,326,719.86 is: 364,634,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,816,965.76 : 537,746,167.85 = 264,326,719.86 : x
  2. Step 2: Convert to fraction form
    389,816,965.76/537,746,167.85 = 264,326,719.86/x
  3. Step 3: Cross multiply
    389,816,965.76x = 537,746,167.85 × 264,326,719.86
  4. Step 4: Simplify right side
    389,816,965.76x = 142,140,680,663,753,872
  5. Step 5: Solve for x
    x = 142,140,680,663,753,872/389,816,965.76
  6. Step 6: Final answer
    x = 364,634,413.46

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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.