Home / 505,490,718.30-758,236,077.45-505,490,718.30

Finding the Fourth Proportional to 505,490,718.30, 758,236,077.45 and 505,490,718.30

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Solution

The fourth proportional to 505,490,718.30, 758,236,077.45 and 505,490,718.30 is: 758,236,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,490,718.30 : 758,236,077.45 = 505,490,718.30 : x
  2. Step 2: Convert to fraction form
    505,490,718.30/758,236,077.45 = 505,490,718.30/x
  3. Step 3: Cross multiply
    505,490,718.30x = 758,236,077.45 × 505,490,718.30
  4. Step 4: Simplify right side
    505,490,718.30x = 383,281,299,431,174,976
  5. Step 5: Solve for x
    x = 383,281,299,431,174,976/505,490,718.30
  6. Step 6: Final answer
    x = 758,236,077.45

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Double scale
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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.