Home / 537,804,538.20-806,706,807.30-354,138,528.60

Finding the Fourth Proportional to 537,804,538.20, 806,706,807.30 and 354,138,528.60

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Solution

The fourth proportional to 537,804,538.20, 806,706,807.30 and 354,138,528.60 is: 531,207,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,804,538.20 : 806,706,807.30 = 354,138,528.60 : x
  2. Step 2: Convert to fraction form
    537,804,538.20/806,706,807.30 = 354,138,528.60/x
  3. Step 3: Cross multiply
    537,804,538.20x = 806,706,807.30 × 354,138,528.60
  4. Step 4: Simplify right side
    537,804,538.20x = 285,685,961,748,825,728
  5. Step 5: Solve for x
    x = 285,685,961,748,825,728/537,804,538.20
  6. Step 6: Final answer
    x = 531,207,792.90

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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.