Home / 980,374,701.36-1,352,964,949.95-551,346,990.64

Finding the Fourth Proportional to 980,374,701.36, 1,352,964,949.95 and 551,346,990.64

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Solution

The fourth proportional to 980,374,701.36, 1,352,964,949.95 and 551,346,990.64 is: 760,885,763.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,374,701.36 : 1,352,964,949.95 = 551,346,990.64 : x
  2. Step 2: Convert to fraction form
    980,374,701.36/1,352,964,949.95 = 551,346,990.64/x
  3. Step 3: Cross multiply
    980,374,701.36x = 1,352,964,949.95 × 551,346,990.64
  4. Step 4: Simplify right side
    980,374,701.36x = 745,953,153,596,330,752
  5. Step 5: Solve for x
    x = 745,953,153,596,330,752/980,374,701.36
  6. Step 6: Final answer
    x = 760,885,763.94

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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.