Home / 980,374,700.33-1,352,964,948.51-551,346,989.61

Finding the Fourth Proportional to 980,374,700.33, 1,352,964,948.51 and 551,346,989.61

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Solution

The fourth proportional to 980,374,700.33, 1,352,964,948.51 and 551,346,989.61 is: 760,885,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,374,700.33 : 1,352,964,948.51 = 551,346,989.61 : x
  2. Step 2: Convert to fraction form
    980,374,700.33/1,352,964,948.51 = 551,346,989.61/x
  3. Step 3: Cross multiply
    980,374,700.33x = 1,352,964,948.51 × 551,346,989.61
  4. Step 4: Simplify right side
    980,374,700.33x = 745,953,151,405,858,688
  5. Step 5: Solve for x
    x = 745,953,151,405,858,688/980,374,700.33
  6. Step 6: Final answer
    x = 760,885,762.51

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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.