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Finding the Fourth Proportional to 620,352,000.20, 930,528,000.30 and 559,885,824.20

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Solution

The fourth proportional to 620,352,000.20, 930,528,000.30 and 559,885,824.20 is: 839,828,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,352,000.20 : 930,528,000.30 = 559,885,824.20 : x
  2. Step 2: Convert to fraction form
    620,352,000.20/930,528,000.30 = 559,885,824.20/x
  3. Step 3: Cross multiply
    620,352,000.20x = 930,528,000.30 × 559,885,824.20
  4. Step 4: Simplify right side
    620,352,000.20x = 520,989,436,389,143,360
  5. Step 5: Solve for x
    x = 520,989,436,389,143,360/620,352,000.20
  6. Step 6: Final answer
    x = 839,828,736.30

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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.