Home / 980,374,701.08-1,352,964,949.56-551,346,990.37

Finding the Fourth Proportional to 980,374,701.08, 1,352,964,949.56 and 551,346,990.37

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Solution

The fourth proportional to 980,374,701.08, 1,352,964,949.56 and 551,346,990.37 is: 760,885,763.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,374,701.08 : 1,352,964,949.56 = 551,346,990.37 : x
  2. Step 2: Convert to fraction form
    980,374,701.08/1,352,964,949.56 = 551,346,990.37/x
  3. Step 3: Cross multiply
    980,374,701.08x = 1,352,964,949.56 × 551,346,990.37
  4. Step 4: Simplify right side
    980,374,701.08x = 745,953,153,012,622,336
  5. Step 5: Solve for x
    x = 745,953,153,012,622,336/980,374,701.08
  6. Step 6: Final answer
    x = 760,885,763.56

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Double scale
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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.