Home / 480,780,055.80-721,170,083.70-299,381,527.80

Finding the Fourth Proportional to 480,780,055.80, 721,170,083.70 and 299,381,527.80

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Solution

The fourth proportional to 480,780,055.80, 721,170,083.70 and 299,381,527.80 is: 449,072,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,780,055.80 : 721,170,083.70 = 299,381,527.80 : x
  2. Step 2: Convert to fraction form
    480,780,055.80/721,170,083.70 = 299,381,527.80/x
  3. Step 3: Cross multiply
    480,780,055.80x = 721,170,083.70 × 299,381,527.80
  4. Step 4: Simplify right side
    480,780,055.80x = 215,905,001,461,759,904
  5. Step 5: Solve for x
    x = 215,905,001,461,759,904/480,780,055.80
  6. Step 6: Final answer
    x = 449,072,291.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.