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Finding the Fourth Proportional to 559,876,809.70, 839,815,214.55 and 534,367,641.70

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Solution

The fourth proportional to 559,876,809.70, 839,815,214.55 and 534,367,641.70 is: 801,551,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,876,809.70 : 839,815,214.55 = 534,367,641.70 : x
  2. Step 2: Convert to fraction form
    559,876,809.70/839,815,214.55 = 534,367,641.70/x
  3. Step 3: Cross multiply
    559,876,809.70x = 839,815,214.55 × 534,367,641.70
  4. Step 4: Simplify right side
    559,876,809.70x = 448,770,075,662,862,976
  5. Step 5: Solve for x
    x = 448,770,075,662,862,976/559,876,809.70
  6. Step 6: Final answer
    x = 801,551,462.55

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Double scale
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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.