Home / 612,147,650.80-918,221,476.20-336,648,636.40

Finding the Fourth Proportional to 612,147,650.80, 918,221,476.20 and 336,648,636.40

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Solution

The fourth proportional to 612,147,650.80, 918,221,476.20 and 336,648,636.40 is: 504,972,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,147,650.80 : 918,221,476.20 = 336,648,636.40 : x
  2. Step 2: Convert to fraction form
    612,147,650.80/918,221,476.20 = 336,648,636.40/x
  3. Step 3: Cross multiply
    612,147,650.80x = 918,221,476.20 × 336,648,636.40
  4. Step 4: Simplify right side
    612,147,650.80x = 309,118,007,875,925,056
  5. Step 5: Solve for x
    x = 309,118,007,875,925,056/612,147,650.80
  6. Step 6: Final answer
    x = 504,972,954.60

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Similar ratio
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1.5x scale

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.