Home / 612,175,341.80-918,263,012.70-248,930,388.20

Finding the Fourth Proportional to 612,175,341.80, 918,263,012.70 and 248,930,388.20

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Solution

The fourth proportional to 612,175,341.80, 918,263,012.70 and 248,930,388.20 is: 373,395,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,175,341.80 : 918,263,012.70 = 248,930,388.20 : x
  2. Step 2: Convert to fraction form
    612,175,341.80/918,263,012.70 = 248,930,388.20/x
  3. Step 3: Cross multiply
    612,175,341.80x = 918,263,012.70 × 248,930,388.20
  4. Step 4: Simplify right side
    612,175,341.80x = 228,583,568,221,112,544
  5. Step 5: Solve for x
    x = 228,583,568,221,112,544/612,175,341.80
  6. Step 6: Final answer
    x = 373,395,582.30

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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.