Home / 481,071,303.78-663,878,399.28-261,054,729.78

Finding the Fourth Proportional to 481,071,303.78, 663,878,399.28 and 261,054,729.78

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Solution

The fourth proportional to 481,071,303.78, 663,878,399.28 and 261,054,729.78 is: 360,255,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071,303.78 : 663,878,399.28 = 261,054,729.78 : x
  2. Step 2: Convert to fraction form
    481,071,303.78/663,878,399.28 = 261,054,729.78/x
  3. Step 3: Cross multiply
    481,071,303.78x = 663,878,399.28 × 261,054,729.78
  4. Step 4: Simplify right side
    481,071,303.78x = 173,308,596,130,819,328
  5. Step 5: Solve for x
    x = 173,308,596,130,819,328/481,071,303.78
  6. Step 6: Final answer
    x = 360,255,527.13

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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.