Home / 518,048,482.40-776,973,190.80-154,554,696.80

Finding the Fourth Proportional to 518,048,482.40, 776,973,190.80 and 154,554,696.80

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Solution

The fourth proportional to 518,048,482.40, 776,973,190.80 and 154,554,696.80 is: 231,802,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,048,482.40 : 776,973,190.80 = 154,554,696.80 : x
  2. Step 2: Convert to fraction form
    518,048,482.40/776,973,190.80 = 154,554,696.80/x
  3. Step 3: Cross multiply
    518,048,482.40x = 776,973,190.80 × 154,554,696.80
  4. Step 4: Simplify right side
    518,048,482.40x = 120,084,855,925,822,544
  5. Step 5: Solve for x
    x = 120,084,855,925,822,544/518,048,482.40
  6. Step 6: Final answer
    x = 231,802,350.56

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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.