Home / 505,203,020.60-757,804,530.90-341,944,345.40

Finding the Fourth Proportional to 505,203,020.60, 757,804,530.90 and 341,944,345.40

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Solution

The fourth proportional to 505,203,020.60, 757,804,530.90 and 341,944,345.40 is: 512,916,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,203,020.60 : 757,804,530.90 = 341,944,345.40 : x
  2. Step 2: Convert to fraction form
    505,203,020.60/757,804,530.90 = 341,944,345.40/x
  3. Step 3: Cross multiply
    505,203,020.60x = 757,804,530.90 × 341,944,345.40
  4. Step 4: Simplify right side
    505,203,020.60x = 259,126,974,259,754,560
  5. Step 5: Solve for x
    x = 259,126,974,259,754,560/505,203,020.60
  6. Step 6: Final answer
    x = 512,916,518.10

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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.