Home / 556,352,269.92-767,727,726.75-308,814,138

Finding the Fourth Proportional to 556,352,269.92, 767,727,726.75 and 308,814,138

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Solution

The fourth proportional to 556,352,269.92, 767,727,726.75 and 308,814,138 is: 426,142,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,352,269.92 : 767,727,726.75 = 308,814,138 : x
  2. Step 2: Convert to fraction form
    556,352,269.92/767,727,726.75 = 308,814,138/x
  3. Step 3: Cross multiply
    556,352,269.92x = 767,727,726.75 × 308,814,138
  4. Step 4: Simplify right side
    556,352,269.92x = 237,085,176,155,000,800
  5. Step 5: Solve for x
    x = 237,085,176,155,000,800/556,352,269.92
  6. Step 6: Final answer
    x = 426,142,192.59

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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.