Home / 535,625,698.86-739,272,208.41-309,574,284.30

Finding the Fourth Proportional to 535,625,698.86, 739,272,208.41 and 309,574,284.30

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Solution

The fourth proportional to 535,625,698.86, 739,272,208.41 and 309,574,284.30 is: 427,275,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,625,698.86 : 739,272,208.41 = 309,574,284.30 : x
  2. Step 2: Convert to fraction form
    535,625,698.86/739,272,208.41 = 309,574,284.30/x
  3. Step 3: Cross multiply
    535,625,698.86x = 739,272,208.41 × 309,574,284.30
  4. Step 4: Simplify right side
    535,625,698.86x = 228,859,664,821,406,176
  5. Step 5: Solve for x
    x = 228,859,664,821,406,176/535,625,698.86
  6. Step 6: Final answer
    x = 427,275,362.83

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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.