Home / 1,957,920,051.70-2,936,880,077.55-665,455,539.70

Finding the Fourth Proportional to 1,957,920,051.70, 2,936,880,077.55 and 665,455,539.70

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Solution

The fourth proportional to 1,957,920,051.70, 2,936,880,077.55 and 665,455,539.70 is: 998,183,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,920,051.70 : 2,936,880,077.55 = 665,455,539.70 : x
  2. Step 2: Convert to fraction form
    1,957,920,051.70/2,936,880,077.55 = 665,455,539.70/x
  3. Step 3: Cross multiply
    1,957,920,051.70x = 2,936,880,077.55 × 665,455,539.70
  4. Step 4: Simplify right side
    1,957,920,051.70x = 1,954,363,117,040,213,248
  5. Step 5: Solve for x
    x = 1,954,363,117,040,213,248/1,957,920,051.70
  6. Step 6: Final answer
    x = 998,183,309.55

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Double scale
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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.