Home / 931,211,529.88-1,395,667,098.55-799,125,356.91

Finding the Fourth Proportional to 931,211,529.88, 1,395,667,098.55 and 799,125,356.91

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Solution

The fourth proportional to 931,211,529.88, 1,395,667,098.55 and 799,125,356.91 is: 1,197,700,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,211,529.88 : 1,395,667,098.55 = 799,125,356.91 : x
  2. Step 2: Convert to fraction form
    931,211,529.88/1,395,667,098.55 = 799,125,356.91/x
  3. Step 3: Cross multiply
    931,211,529.88x = 1,395,667,098.55 × 799,125,356.91
  4. Step 4: Simplify right side
    931,211,529.88x = 1,115,312,968,264,823,168
  5. Step 5: Solve for x
    x = 1,115,312,968,264,823,168/931,211,529.88
  6. Step 6: Final answer
    x = 1,197,700,986.81

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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.