Home / 752,334,789.45-1,038,097,439.12-434,824,601.94

Finding the Fourth Proportional to 752,334,789.45, 1,038,097,439.12 and 434,824,601.94

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Solution

The fourth proportional to 752,334,789.45, 1,038,097,439.12 and 434,824,601.94 is: 599,985,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,334,789.45 : 1,038,097,439.12 = 434,824,601.94 : x
  2. Step 2: Convert to fraction form
    752,334,789.45/1,038,097,439.12 = 434,824,601.94/x
  3. Step 3: Cross multiply
    752,334,789.45x = 1,038,097,439.12 × 434,824,601.94
  4. Step 4: Simplify right side
    752,334,789.45x = 451,390,305,740,287,360
  5. Step 5: Solve for x
    x = 451,390,305,740,287,360/752,334,789.45
  6. Step 6: Final answer
    x = 599,985,953.16

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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.