Home / 1,957,920,041.20-2,936,880,061.80-665,455,529.20

Finding the Fourth Proportional to 1,957,920,041.20, 2,936,880,061.80 and 665,455,529.20

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Solution

The fourth proportional to 1,957,920,041.20, 2,936,880,061.80 and 665,455,529.20 is: 998,183,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,920,041.20 : 2,936,880,061.80 = 665,455,529.20 : x
  2. Step 2: Convert to fraction form
    1,957,920,041.20/2,936,880,061.80 = 665,455,529.20/x
  3. Step 3: Cross multiply
    1,957,920,041.20x = 2,936,880,061.80 × 665,455,529.20
  4. Step 4: Simplify right side
    1,957,920,041.20x = 1,954,363,075,722,048,000
  5. Step 5: Solve for x
    x = 1,954,363,075,722,048,000/1,957,920,041.20
  6. Step 6: Final answer
    x = 998,183,293.80

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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.