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Finding the Fourth Proportional to 559,097,764.80, 838,646,647.20 and 555,696,542.40

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Solution

The fourth proportional to 559,097,764.80, 838,646,647.20 and 555,696,542.40 is: 833,544,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,097,764.80 : 838,646,647.20 = 555,696,542.40 : x
  2. Step 2: Convert to fraction form
    559,097,764.80/838,646,647.20 = 555,696,542.40/x
  3. Step 3: Cross multiply
    559,097,764.80x = 838,646,647.20 × 555,696,542.40
  4. Step 4: Simplify right side
    559,097,764.80x = 466,033,042,144,392,640
  5. Step 5: Solve for x
    x = 466,033,042,144,392,640/559,097,764.80
  6. Step 6: Final answer
    x = 833,544,813.60

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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.