Home / 647,355,928.40-971,033,892.60-572,529,035.60

Finding the Fourth Proportional to 647,355,928.40, 971,033,892.60 and 572,529,035.60

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Solution

The fourth proportional to 647,355,928.40, 971,033,892.60 and 572,529,035.60 is: 858,793,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,355,928.40 : 971,033,892.60 = 572,529,035.60 : x
  2. Step 2: Convert to fraction form
    647,355,928.40/971,033,892.60 = 572,529,035.60/x
  3. Step 3: Cross multiply
    647,355,928.40x = 971,033,892.60 × 572,529,035.60
  4. Step 4: Simplify right side
    647,355,928.40x = 555,945,098,065,192,000
  5. Step 5: Solve for x
    x = 555,945,098,065,192,000/647,355,928.40
  6. Step 6: Final answer
    x = 858,793,553.40

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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.