Home / 585,724,258-808,297,258.71-321,410,674.21

Finding the Fourth Proportional to 585,724,258, 808,297,258.71 and 321,410,674.21

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Solution

The fourth proportional to 585,724,258, 808,297,258.71 and 321,410,674.21 is: 443,545,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,258 : 808,297,258.71 = 321,410,674.21 : x
  2. Step 2: Convert to fraction form
    585,724,258/808,297,258.71 = 321,410,674.21/x
  3. Step 3: Cross multiply
    585,724,258x = 808,297,258.71 × 321,410,674.21
  4. Step 4: Simplify right side
    585,724,258x = 259,795,366,884,075,904
  5. Step 5: Solve for x
    x = 259,795,366,884,075,904/585,724,258
  6. Step 6: Final answer
    x = 443,545,513.67

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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.