Home / 417,680,074.40-626,520,111.60-355,870,205.60

Finding the Fourth Proportional to 417,680,074.40, 626,520,111.60 and 355,870,205.60

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Solution

The fourth proportional to 417,680,074.40, 626,520,111.60 and 355,870,205.60 is: 533,805,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,680,074.40 : 626,520,111.60 = 355,870,205.60 : x
  2. Step 2: Convert to fraction form
    417,680,074.40/626,520,111.60 = 355,870,205.60/x
  3. Step 3: Cross multiply
    417,680,074.40x = 626,520,111.60 × 355,870,205.60
  4. Step 4: Simplify right side
    417,680,074.40x = 222,959,840,927,626,976
  5. Step 5: Solve for x
    x = 222,959,840,927,626,976/417,680,074.40
  6. Step 6: Final answer
    x = 533,805,308.40

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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.