Home / 752,531,285.90-1,038,258,884.39-434,875,806.44

Finding the Fourth Proportional to 752,531,285.90, 1,038,258,884.39 and 434,875,806.44

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Solution

The fourth proportional to 752,531,285.90, 1,038,258,884.39 and 434,875,806.44 is: 599,993,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,531,285.90 : 1,038,258,884.39 = 434,875,806.44 : x
  2. Step 2: Convert to fraction form
    752,531,285.90/1,038,258,884.39 = 434,875,806.44/x
  3. Step 3: Cross multiply
    752,531,285.90x = 1,038,258,884.39 × 434,875,806.44
  4. Step 4: Simplify right side
    752,531,285.90x = 451,513,669,642,595,968
  5. Step 5: Solve for x
    x = 451,513,669,642,595,968/752,531,285.90
  6. Step 6: Final answer
    x = 599,993,220.35

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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.