Home / 902,635,290.54-1,245,815,340.27-585,488,573.58

Finding the Fourth Proportional to 902,635,290.54, 1,245,815,340.27 and 585,488,573.58

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Solution

The fourth proportional to 902,635,290.54, 1,245,815,340.27 and 585,488,573.58 is: 808,090,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,635,290.54 : 1,245,815,340.27 = 585,488,573.58 : x
  2. Step 2: Convert to fraction form
    902,635,290.54/1,245,815,340.27 = 585,488,573.58/x
  3. Step 3: Cross multiply
    902,635,290.54x = 1,245,815,340.27 × 585,488,573.58
  4. Step 4: Simplify right side
    902,635,290.54x = 729,410,646,518,764,672
  5. Step 5: Solve for x
    x = 729,410,646,518,764,672/902,635,290.54
  6. Step 6: Final answer
    x = 808,090,104.79

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Half scale
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Double scale
Find fourth proportional to 902,635,291.54, 1,245,815,341.65 and 585,488,574.58
Similar ratio
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1.5x scale

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.