Home / 674,043,847.20-1,010,428,041.60-397,907,103.60

Finding the Fourth Proportional to 674,043,847.20, 1,010,428,041.60 and 397,907,103.60

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Solution

The fourth proportional to 674,043,847.20, 1,010,428,041.60 and 397,907,103.60 is: 596,484,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,043,847.20 : 1,010,428,041.60 = 397,907,103.60 : x
  2. Step 2: Convert to fraction form
    674,043,847.20/1,010,428,041.60 = 397,907,103.60/x
  3. Step 3: Cross multiply
    674,043,847.20x = 1,010,428,041.60 × 397,907,103.60
  4. Step 4: Simplify right side
    674,043,847.20x = 402,056,495,429,276,352
  5. Step 5: Solve for x
    x = 402,056,495,429,276,352/674,043,847.20
  6. Step 6: Final answer
    x = 596,484,185.86

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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.