Home / 772,547,999.80-1,159,027,286.10-335,661,215.80

Finding the Fourth Proportional to 772,547,999.80, 1,159,027,286.10 and 335,661,215.80

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Solution

The fourth proportional to 772,547,999.80, 1,159,027,286.10 and 335,661,215.80 is: 503,581,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,547,999.80 : 1,159,027,286.10 = 335,661,215.80 : x
  2. Step 2: Convert to fraction form
    772,547,999.80/1,159,027,286.10 = 335,661,215.80/x
  3. Step 3: Cross multiply
    772,547,999.80x = 1,159,027,286.10 × 335,661,215.80
  4. Step 4: Simplify right side
    772,547,999.80x = 389,040,507,997,700,416
  5. Step 5: Solve for x
    x = 389,040,507,997,700,416/772,547,999.80
  6. Step 6: Final answer
    x = 503,581,017.75

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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.