Home / 705,293,187.60-1,057,662,955.80-268,361,821.20

Finding the Fourth Proportional to 705,293,187.60, 1,057,662,955.80 and 268,361,821.20

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Solution

The fourth proportional to 705,293,187.60, 1,057,662,955.80 and 268,361,821.20 is: 402,437,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,293,187.60 : 1,057,662,955.80 = 268,361,821.20 : x
  2. Step 2: Convert to fraction form
    705,293,187.60/1,057,662,955.80 = 268,361,821.20/x
  3. Step 3: Cross multiply
    705,293,187.60x = 1,057,662,955.80 × 268,361,821.20
  4. Step 4: Simplify right side
    705,293,187.60x = 283,836,357,034,263,072
  5. Step 5: Solve for x
    x = 283,836,357,034,263,072/705,293,187.60
  6. Step 6: Final answer
    x = 402,437,400.54

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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.