Home / 673,993,122.30-1,010,989,683.45-648,165,089.70

Finding the Fourth Proportional to 673,993,122.30, 1,010,989,683.45 and 648,165,089.70

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Solution

The fourth proportional to 673,993,122.30, 1,010,989,683.45 and 648,165,089.70 is: 972,247,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,993,122.30 : 1,010,989,683.45 = 648,165,089.70 : x
  2. Step 2: Convert to fraction form
    673,993,122.30/1,010,989,683.45 = 648,165,089.70/x
  3. Step 3: Cross multiply
    673,993,122.30x = 1,010,989,683.45 × 648,165,089.70
  4. Step 4: Simplify right side
    673,993,122.30x = 655,288,218,859,143,936
  5. Step 5: Solve for x
    x = 655,288,218,859,143,936/673,993,122.30
  6. Step 6: Final answer
    x = 972,247,634.55

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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.