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Finding the Fourth Proportional to 577,368,017.70, 866,052,026.55 and 543,355,793.70

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Solution

The fourth proportional to 577,368,017.70, 866,052,026.55 and 543,355,793.70 is: 815,033,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,017.70 : 866,052,026.55 = 543,355,793.70 : x
  2. Step 2: Convert to fraction form
    577,368,017.70/866,052,026.55 = 543,355,793.70/x
  3. Step 3: Cross multiply
    577,368,017.70x = 866,052,026.55 × 543,355,793.70
  4. Step 4: Simplify right side
    577,368,017.70x = 470,574,386,271,568,768
  5. Step 5: Solve for x
    x = 470,574,386,271,568,768/577,368,017.70
  6. Step 6: Final answer
    x = 815,033,690.55

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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.