Home / 6,945,147,430.53-9,584,303,440.18-3,934,400,128.57

Finding the Fourth Proportional to 6,945,147,430.53, 9,584,303,440.18 and 3,934,400,128.57

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Solution

The fourth proportional to 6,945,147,430.53, 9,584,303,440.18 and 3,934,400,128.57 is: 5,429,472,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945,147,430.53 : 9,584,303,440.18 = 3,934,400,128.57 : x
  2. Step 2: Convert to fraction form
    6,945,147,430.53/9,584,303,440.18 = 3,934,400,128.57/x
  3. Step 3: Cross multiply
    6,945,147,430.53x = 9,584,303,440.18 × 3,934,400,128.57
  4. Step 4: Simplify right side
    6,945,147,430.53x = 37,708,484,687,310,897,152
  5. Step 5: Solve for x
    x = 37,708,484,687,310,897,152/6,945,147,430.53
  6. Step 6: Final answer
    x = 5,429,472,169.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.