Home / 292,608,004.80-438,912,007.20-265,734,148.80

Finding the Fourth Proportional to 292,608,004.80, 438,912,007.20 and 265,734,148.80

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Solution

The fourth proportional to 292,608,004.80, 438,912,007.20 and 265,734,148.80 is: 398,601,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,608,004.80 : 438,912,007.20 = 265,734,148.80 : x
  2. Step 2: Convert to fraction form
    292,608,004.80/438,912,007.20 = 265,734,148.80/x
  3. Step 3: Cross multiply
    292,608,004.80x = 438,912,007.20 × 265,734,148.80
  4. Step 4: Simplify right side
    292,608,004.80x = 116,633,908,631,391,472
  5. Step 5: Solve for x
    x = 116,633,908,631,391,472/292,608,004.80
  6. Step 6: Final answer
    x = 398,601,223.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.