Home / 518,048,475.40-776,973,180.30-154,554,689.80

Finding the Fourth Proportional to 518,048,475.40, 776,973,180.30 and 154,554,689.80

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Solution

The fourth proportional to 518,048,475.40, 776,973,180.30 and 154,554,689.80 is: 231,802,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,048,475.40 : 776,973,180.30 = 154,554,689.80 : x
  2. Step 2: Convert to fraction form
    518,048,475.40/776,973,180.30 = 154,554,689.80/x
  3. Step 3: Cross multiply
    518,048,475.40x = 776,973,180.30 × 154,554,689.80
  4. Step 4: Simplify right side
    518,048,475.40x = 120,084,848,864,185,968
  5. Step 5: Solve for x
    x = 120,084,848,864,185,968/518,048,475.40
  6. Step 6: Final answer
    x = 231,802,340.06

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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.