Home / 357,780,692,657.60-536,631,261,900.75-128,038,756,190.85

Finding the Fourth Proportional to 357,780,692,657.60, 536,631,261,900.75 and 128,038,756,190.85

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Solution

The fourth proportional to 357,780,692,657.60, 536,631,261,900.75 and 128,038,756,190.85 is: 192,043,899,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,780,692,657.60 : 536,631,261,900.75 = 128,038,756,190.85 : x
  2. Step 2: Convert to fraction form
    357,780,692,657.60/536,631,261,900.75 = 128,038,756,190.85/x
  3. Step 3: Cross multiply
    357,780,692,657.60x = 536,631,261,900.75 × 128,038,756,190.85
  4. Step 4: Simplify right side
    357,780,692,657.60x = 68,709,599,306,898,307,284,992
  5. Step 5: Solve for x
    x = 68,709,599,306,898,307,284,992/357,780,692,657.60
  6. Step 6: Final answer
    x = 192,043,899,285.13

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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.