Home / 860,794,850.62-1,188,263,430.17-578,700,895.60

Finding the Fourth Proportional to 860,794,850.62, 1,188,263,430.17 and 578,700,895.60

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Solution

The fourth proportional to 860,794,850.62, 1,188,263,430.17 and 578,700,895.60 is: 798,853,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,794,850.62 : 1,188,263,430.17 = 578,700,895.60 : x
  2. Step 2: Convert to fraction form
    860,794,850.62/1,188,263,430.17 = 578,700,895.60/x
  3. Step 3: Cross multiply
    860,794,850.62x = 1,188,263,430.17 × 578,700,895.60
  4. Step 4: Simplify right side
    860,794,850.62x = 687,649,111,252,138,752
  5. Step 5: Solve for x
    x = 687,649,111,252,138,752/860,794,850.62
  6. Step 6: Final answer
    x = 798,853,653.41

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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.