Home / 2,920,065,911.98-4,380,098,918.74-709,260,728.46

Finding the Fourth Proportional to 2,920,065,911.98, 4,380,098,918.74 and 709,260,728.46

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Solution

The fourth proportional to 2,920,065,911.98, 4,380,098,918.74 and 709,260,728.46 is: 1,063,891,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,065,911.98 : 4,380,098,918.74 = 709,260,728.46 : x
  2. Step 2: Convert to fraction form
    2,920,065,911.98/4,380,098,918.74 = 709,260,728.46/x
  3. Step 3: Cross multiply
    2,920,065,911.98x = 4,380,098,918.74 × 709,260,728.46
  4. Step 4: Simplify right side
    2,920,065,911.98x = 3,106,632,149,832,390,656
  5. Step 5: Solve for x
    x = 3,106,632,149,832,390,656/2,920,065,911.98
  6. Step 6: Final answer
    x = 1,063,891,105.02

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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.