Home / 556,352,143.92-767,727,552.87-308,814,012

Finding the Fourth Proportional to 556,352,143.92, 767,727,552.87 and 308,814,012

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Solution

The fourth proportional to 556,352,143.92, 767,727,552.87 and 308,814,012 is: 426,142,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,352,143.92 : 767,727,552.87 = 308,814,012 : x
  2. Step 2: Convert to fraction form
    556,352,143.92/767,727,552.87 = 308,814,012/x
  3. Step 3: Cross multiply
    556,352,143.92x = 767,727,552.87 × 308,814,012
  4. Step 4: Simplify right side
    556,352,143.92x = 237,085,025,724,726,816
  5. Step 5: Solve for x
    x = 237,085,025,724,726,816/556,352,143.92
  6. Step 6: Final answer
    x = 426,142,018.71

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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.