Home / 8,399,334,945.60-12,590,201,782.79-3,913,731,432.11

Finding the Fourth Proportional to 8,399,334,945.60, 12,590,201,782.79 and 3,913,731,432.11

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Solution

The fourth proportional to 8,399,334,945.60, 12,590,201,782.79 and 3,913,731,432.11 is: 5,866,496,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,334,945.60 : 12,590,201,782.79 = 3,913,731,432.11 : x
  2. Step 2: Convert to fraction form
    8,399,334,945.60/12,590,201,782.79 = 3,913,731,432.11/x
  3. Step 3: Cross multiply
    8,399,334,945.60x = 12,590,201,782.79 × 3,913,731,432.11
  4. Step 4: Simplify right side
    8,399,334,945.60x = 49,274,668,453,830,057,984
  5. Step 5: Solve for x
    x = 49,274,668,453,830,057,984/8,399,334,945.60
  6. Step 6: Final answer
    x = 5,866,496,427.75

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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.