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Finding the Fourth Proportional to 537,282,289.60, 804,579,741.60 and 429,786,865.60

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Solution

The fourth proportional to 537,282,289.60, 804,579,741.60 and 429,786,865.60 is: 643,605,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,282,289.60 : 804,579,741.60 = 429,786,865.60 : x
  2. Step 2: Convert to fraction form
    537,282,289.60/804,579,741.60 = 429,786,865.60/x
  3. Step 3: Cross multiply
    537,282,289.60x = 804,579,741.60 × 429,786,865.60
  4. Step 4: Simplify right side
    537,282,289.60x = 345,797,805,267,521,984
  5. Step 5: Solve for x
    x = 345,797,805,267,521,984/537,282,289.60
  6. Step 6: Final answer
    x = 643,605,441.61

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1.5x scale

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.