Home / 393,312,235.20-589,968,352.80-106,126,929.60

Finding the Fourth Proportional to 393,312,235.20, 589,968,352.80 and 106,126,929.60

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Solution

The fourth proportional to 393,312,235.20, 589,968,352.80 and 106,126,929.60 is: 159,190,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,312,235.20 : 589,968,352.80 = 106,126,929.60 : x
  2. Step 2: Convert to fraction form
    393,312,235.20/589,968,352.80 = 106,126,929.60/x
  3. Step 3: Cross multiply
    393,312,235.20x = 589,968,352.80 × 106,126,929.60
  4. Step 4: Simplify right side
    393,312,235.20x = 62,611,529,843,833,552
  5. Step 5: Solve for x
    x = 62,611,529,843,833,552/393,312,235.20
  6. Step 6: Final answer
    x = 159,190,394.40

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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.