Home / 265,751,111.20-398,626,666.80-248,744,999.20

Finding the Fourth Proportional to 265,751,111.20, 398,626,666.80 and 248,744,999.20

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Solution

The fourth proportional to 265,751,111.20, 398,626,666.80 and 248,744,999.20 is: 373,117,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,751,111.20 : 398,626,666.80 = 248,744,999.20 : x
  2. Step 2: Convert to fraction form
    265,751,111.20/398,626,666.80 = 248,744,999.20/x
  3. Step 3: Cross multiply
    265,751,111.20x = 398,626,666.80 × 248,744,999.20
  4. Step 4: Simplify right side
    265,751,111.20x = 99,156,389,914,264,672
  5. Step 5: Solve for x
    x = 99,156,389,914,264,672/265,751,111.20
  6. Step 6: Final answer
    x = 373,117,498.80

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Similar ratio
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1.5x scale

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.