Home / 383,711,794.40-575,441,720.40-141,343,205.60

Finding the Fourth Proportional to 383,711,794.40, 575,441,720.40 and 141,343,205.60

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Solution

The fourth proportional to 383,711,794.40, 575,441,720.40 and 141,343,205.60 is: 211,968,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,711,794.40 : 575,441,720.40 = 141,343,205.60 : x
  2. Step 2: Convert to fraction form
    383,711,794.40/575,441,720.40 = 141,343,205.60/x
  3. Step 3: Cross multiply
    383,711,794.40x = 575,441,720.40 × 141,343,205.60
  4. Step 4: Simplify right side
    383,711,794.40x = 81,334,777,397,314,912
  5. Step 5: Solve for x
    x = 81,334,777,397,314,912/383,711,794.40
  6. Step 6: Final answer
    x = 211,968,405.93

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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.