Home / 308,126,379.69-424,966,466.52-270,877,015.80

Finding the Fourth Proportional to 308,126,379.69, 424,966,466.52 and 270,877,015.80

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Solution

The fourth proportional to 308,126,379.69, 424,966,466.52 and 270,877,015.80 is: 373,592,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,126,379.69 : 424,966,466.52 = 270,877,015.80 : x
  2. Step 2: Convert to fraction form
    308,126,379.69/424,966,466.52 = 270,877,015.80/x
  3. Step 3: Cross multiply
    308,126,379.69x = 424,966,466.52 × 270,877,015.80
  4. Step 4: Simplify right side
    308,126,379.69x = 115,113,648,266,008,208
  5. Step 5: Solve for x
    x = 115,113,648,266,008,208/308,126,379.69
  6. Step 6: Final answer
    x = 373,592,317.48

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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.