Home / 612,175,340.80-918,263,011.20-248,930,387.20

Finding the Fourth Proportional to 612,175,340.80, 918,263,011.20 and 248,930,387.20

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Solution

The fourth proportional to 612,175,340.80, 918,263,011.20 and 248,930,387.20 is: 373,395,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,175,340.80 : 918,263,011.20 = 248,930,387.20 : x
  2. Step 2: Convert to fraction form
    612,175,340.80/918,263,011.20 = 248,930,387.20/x
  3. Step 3: Cross multiply
    612,175,340.80x = 918,263,011.20 × 248,930,387.20
  4. Step 4: Simplify right side
    612,175,340.80x = 228,583,566,929,453,952
  5. Step 5: Solve for x
    x = 228,583,566,929,453,952/612,175,340.80
  6. Step 6: Final answer
    x = 373,395,580.80

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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.