Home / 354,585,287.04-489,458,271.44-213,463,066.84

Finding the Fourth Proportional to 354,585,287.04, 489,458,271.44 and 213,463,066.84

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Solution

The fourth proportional to 354,585,287.04, 489,458,271.44 and 213,463,066.84 is: 294,657,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,585,287.04 : 489,458,271.44 = 213,463,066.84 : x
  2. Step 2: Convert to fraction form
    354,585,287.04/489,458,271.44 = 213,463,066.84/x
  3. Step 3: Cross multiply
    354,585,287.04x = 489,458,271.44 × 213,463,066.84
  4. Step 4: Simplify right side
    354,585,287.04x = 104,481,263,711,787,584
  5. Step 5: Solve for x
    x = 104,481,263,711,787,584/354,585,287.04
  6. Step 6: Final answer
    x = 294,657,639.59

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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.