Home / 518,048,474.40-776,973,178.80-154,554,688.80

Finding the Fourth Proportional to 518,048,474.40, 776,973,178.80 and 154,554,688.80

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Solution

The fourth proportional to 518,048,474.40, 776,973,178.80 and 154,554,688.80 is: 231,802,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,048,474.40 : 776,973,178.80 = 154,554,688.80 : x
  2. Step 2: Convert to fraction form
    518,048,474.40/776,973,178.80 = 154,554,688.80/x
  3. Step 3: Cross multiply
    518,048,474.40x = 776,973,178.80 × 154,554,688.80
  4. Step 4: Simplify right side
    518,048,474.40x = 120,084,847,855,380,752
  5. Step 5: Solve for x
    x = 120,084,847,855,380,752/518,048,474.40
  6. Step 6: Final answer
    x = 231,802,338.56

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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.