Home / 939,629,087.10-1,409,443,630.65-249,642,834.30

Finding the Fourth Proportional to 939,629,087.10, 1,409,443,630.65 and 249,642,834.30

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Solution

The fourth proportional to 939,629,087.10, 1,409,443,630.65 and 249,642,834.30 is: 374,464,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,629,087.10 : 1,409,443,630.65 = 249,642,834.30 : x
  2. Step 2: Convert to fraction form
    939,629,087.10/1,409,443,630.65 = 249,642,834.30/x
  3. Step 3: Cross multiply
    939,629,087.10x = 1,409,443,630.65 × 249,642,834.30
  4. Step 4: Simplify right side
    939,629,087.10x = 351,857,502,741,548,416
  5. Step 5: Solve for x
    x = 351,857,502,741,548,416/939,629,087.10
  6. Step 6: Final answer
    x = 374,464,251.45

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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.