Home / 342,670,588.96-472,428,683.28-272,341,042.96

Finding the Fourth Proportional to 342,670,588.96, 472,428,683.28 and 272,341,042.96

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Solution

The fourth proportional to 342,670,588.96, 472,428,683.28 and 272,341,042.96 is: 375,467,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,670,588.96 : 472,428,683.28 = 272,341,042.96 : x
  2. Step 2: Convert to fraction form
    342,670,588.96/472,428,683.28 = 272,341,042.96/x
  3. Step 3: Cross multiply
    342,670,588.96x = 472,428,683.28 × 272,341,042.96
  4. Step 4: Simplify right side
    342,670,588.96x = 128,661,720,328,694,688
  5. Step 5: Solve for x
    x = 128,661,720,328,694,688/342,670,588.96
  6. Step 6: Final answer
    x = 375,467,648.74

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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.