Home / 556,352,142.54-767,727,550.98-308,814,010.62

Finding the Fourth Proportional to 556,352,142.54, 767,727,550.98 and 308,814,010.62

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Solution

The fourth proportional to 556,352,142.54, 767,727,550.98 and 308,814,010.62 is: 426,142,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,352,142.54 : 767,727,550.98 = 308,814,010.62 : x
  2. Step 2: Convert to fraction form
    556,352,142.54/767,727,550.98 = 308,814,010.62/x
  3. Step 3: Cross multiply
    556,352,142.54x = 767,727,550.98 × 308,814,010.62
  4. Step 4: Simplify right side
    556,352,142.54x = 237,085,024,081,604,320
  5. Step 5: Solve for x
    x = 237,085,024,081,604,320/556,352,142.54
  6. Step 6: Final answer
    x = 426,142,016.82

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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.