Home / 1,113,220,399.90-1,535,538,207.27-683,869,806.49

Finding the Fourth Proportional to 1,113,220,399.90, 1,535,538,207.27 and 683,869,806.49

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Solution

The fourth proportional to 1,113,220,399.90, 1,535,538,207.27 and 683,869,806.49 is: 943,306,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,220,399.90 : 1,535,538,207.27 = 683,869,806.49 : x
  2. Step 2: Convert to fraction form
    1,113,220,399.90/1,535,538,207.27 = 683,869,806.49/x
  3. Step 3: Cross multiply
    1,113,220,399.90x = 1,535,538,207.27 × 683,869,806.49
  4. Step 4: Simplify right side
    1,113,220,399.90x = 1,050,108,216,665,852,800
  5. Step 5: Solve for x
    x = 1,050,108,216,665,852,800/1,113,220,399.90
  6. Step 6: Final answer
    x = 943,306,659.45

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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.