Home / 10,492,556,142.90-15,740,597,811.15-3,132,310,869.30

Finding the Fourth Proportional to 10,492,556,142.90, 15,740,597,811.15 and 3,132,310,869.30

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Solution

The fourth proportional to 10,492,556,142.90, 15,740,597,811.15 and 3,132,310,869.30 is: 4,698,992,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492,556,142.90 : 15,740,597,811.15 = 3,132,310,869.30 : x
  2. Step 2: Convert to fraction form
    10,492,556,142.90/15,740,597,811.15 = 3,132,310,869.30/x
  3. Step 3: Cross multiply
    10,492,556,142.90x = 15,740,597,811.15 × 3,132,310,869.30
  4. Step 4: Simplify right side
    10,492,556,142.90x = 49,304,445,613,144,932,352
  5. Step 5: Solve for x
    x = 49,304,445,613,144,932,352/10,492,556,142.90
  6. Step 6: Final answer
    x = 4,698,992,785.14

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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.