Home / 677,945,811.04-935,513,557.88-380,530,585.44

Finding the Fourth Proportional to 677,945,811.04, 935,513,557.88 and 380,530,585.44

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Solution

The fourth proportional to 677,945,811.04, 935,513,557.88 and 380,530,585.44 is: 525,103,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,945,811.04 : 935,513,557.88 = 380,530,585.44 : x
  2. Step 2: Convert to fraction form
    677,945,811.04/935,513,557.88 = 380,530,585.44/x
  3. Step 3: Cross multiply
    677,945,811.04x = 935,513,557.88 × 380,530,585.44
  4. Step 4: Simplify right side
    677,945,811.04x = 355,991,521,867,133,696
  5. Step 5: Solve for x
    x = 355,991,521,867,133,696/677,945,811.04
  6. Step 6: Final answer
    x = 525,103,210.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.