Home / 504,455,028.95-756,682,543.43-472,169,988.20

Finding the Fourth Proportional to 504,455,028.95, 756,682,543.43 and 472,169,988.20

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Solution

The fourth proportional to 504,455,028.95, 756,682,543.43 and 472,169,988.20 is: 708,254,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,455,028.95 : 756,682,543.43 = 472,169,988.20 : x
  2. Step 2: Convert to fraction form
    504,455,028.95/756,682,543.43 = 472,169,988.20/x
  3. Step 3: Cross multiply
    504,455,028.95x = 756,682,543.43 × 472,169,988.20
  4. Step 4: Simplify right side
    504,455,028.95x = 357,282,787,600,128,192
  5. Step 5: Solve for x
    x = 357,282,787,600,128,192/504,455,028.95
  6. Step 6: Final answer
    x = 708,254,982.30

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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.