Home / 903,384,803.30-1,355,141,974.18-378,225,435.92

Finding the Fourth Proportional to 903,384,803.30, 1,355,141,974.18 and 378,225,435.92

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Solution

The fourth proportional to 903,384,803.30, 1,355,141,974.18 and 378,225,435.92 is: 567,365,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,384,803.30 : 1,355,141,974.18 = 378,225,435.92 : x
  2. Step 2: Convert to fraction form
    903,384,803.30/1,355,141,974.18 = 378,225,435.92/x
  3. Step 3: Cross multiply
    903,384,803.30x = 1,355,141,974.18 × 378,225,435.92
  4. Step 4: Simplify right side
    903,384,803.30x = 512,549,163,917,719,936
  5. Step 5: Solve for x
    x = 512,549,163,917,719,936/903,384,803.30
  6. Step 6: Final answer
    x = 567,365,271.19

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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.