Home / 676,619,903.84-1,013,355,959.79-658,001,200.56

Finding the Fourth Proportional to 676,619,903.84, 1,013,355,959.79 and 658,001,200.56

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Solution

The fourth proportional to 676,619,903.84, 1,013,355,959.79 and 658,001,200.56 is: 985,471,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,619,903.84 : 1,013,355,959.79 = 658,001,200.56 : x
  2. Step 2: Convert to fraction form
    676,619,903.84/1,013,355,959.79 = 658,001,200.56/x
  3. Step 3: Cross multiply
    676,619,903.84x = 1,013,355,959.79 × 658,001,200.56
  4. Step 4: Simplify right side
    676,619,903.84x = 666,789,438,136,450,944
  5. Step 5: Solve for x
    x = 666,789,438,136,450,944/676,619,903.84
  6. Step 6: Final answer
    x = 985,471,214.13

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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.