Home / 890,721,556.88-1,336,038,878.61-330,592,374.72

Finding the Fourth Proportional to 890,721,556.88, 1,336,038,878.61 and 330,592,374.72

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Solution

The fourth proportional to 890,721,556.88, 1,336,038,878.61 and 330,592,374.72 is: 495,872,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,721,556.88 : 1,336,038,878.61 = 330,592,374.72 : x
  2. Step 2: Convert to fraction form
    890,721,556.88/1,336,038,878.61 = 330,592,374.72/x
  3. Step 3: Cross multiply
    890,721,556.88x = 1,336,038,878.61 × 330,592,374.72
  4. Step 4: Simplify right side
    890,721,556.88x = 441,684,265,597,925,696
  5. Step 5: Solve for x
    x = 441,684,265,597,925,696/890,721,556.88
  6. Step 6: Final answer
    x = 495,872,433.07

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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.