Home / 674,007,330.80-1,011,010,996.20-551,563,324.40

Finding the Fourth Proportional to 674,007,330.80, 1,011,010,996.20 and 551,563,324.40

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Solution

The fourth proportional to 674,007,330.80, 1,011,010,996.20 and 551,563,324.40 is: 827,344,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,007,330.80 : 1,011,010,996.20 = 551,563,324.40 : x
  2. Step 2: Convert to fraction form
    674,007,330.80/1,011,010,996.20 = 551,563,324.40/x
  3. Step 3: Cross multiply
    674,007,330.80x = 1,011,010,996.20 × 551,563,324.40
  4. Step 4: Simplify right side
    674,007,330.80x = 557,636,586,069,027,776
  5. Step 5: Solve for x
    x = 557,636,586,069,027,776/674,007,330.80
  6. Step 6: Final answer
    x = 827,344,986.60

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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.