Home / 1,458,530,340.28-2,187,801,120.07-353,133,355.52

Finding the Fourth Proportional to 1,458,530,340.28, 2,187,801,120.07 and 353,133,355.52

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Solution

The fourth proportional to 1,458,530,340.28, 2,187,801,120.07 and 353,133,355.52 is: 529,701,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,530,340.28 : 2,187,801,120.07 = 353,133,355.52 : x
  2. Step 2: Convert to fraction form
    1,458,530,340.28/2,187,801,120.07 = 353,133,355.52/x
  3. Step 3: Cross multiply
    1,458,530,340.28x = 2,187,801,120.07 × 353,133,355.52
  4. Step 4: Simplify right side
    1,458,530,340.28x = 772,585,550,746,626,688
  5. Step 5: Solve for x
    x = 772,585,550,746,626,688/1,458,530,340.28
  6. Step 6: Final answer
    x = 529,701,391.47

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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.