Home / 752,531,284.40-1,038,258,882.32-434,875,804.94

Finding the Fourth Proportional to 752,531,284.40, 1,038,258,882.32 and 434,875,804.94

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Solution

The fourth proportional to 752,531,284.40, 1,038,258,882.32 and 434,875,804.94 is: 599,993,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,531,284.40 : 1,038,258,882.32 = 434,875,804.94 : x
  2. Step 2: Convert to fraction form
    752,531,284.40/1,038,258,882.32 = 434,875,804.94/x
  3. Step 3: Cross multiply
    752,531,284.40x = 1,038,258,882.32 × 434,875,804.94
  4. Step 4: Simplify right side
    752,531,284.40x = 451,513,667,186,101,888
  5. Step 5: Solve for x
    x = 451,513,667,186,101,888/752,531,284.40
  6. Step 6: Final answer
    x = 599,993,218.28

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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.