Home / 752,531,283.78-1,038,258,881.47-434,875,804.31

Finding the Fourth Proportional to 752,531,283.78, 1,038,258,881.47 and 434,875,804.31

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Solution

The fourth proportional to 752,531,283.78, 1,038,258,881.47 and 434,875,804.31 is: 599,993,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,531,283.78 : 1,038,258,881.47 = 434,875,804.31 : x
  2. Step 2: Convert to fraction form
    752,531,283.78/1,038,258,881.47 = 434,875,804.31/x
  3. Step 3: Cross multiply
    752,531,283.78x = 1,038,258,881.47 × 434,875,804.31
  4. Step 4: Simplify right side
    752,531,283.78x = 451,513,666,161,267,200
  5. Step 5: Solve for x
    x = 451,513,666,161,267,200/752,531,283.78
  6. Step 6: Final answer
    x = 599,993,217.42

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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.