Home / 1,611,456,145.70-2,417,184,218.55-446,922,385.70

Finding the Fourth Proportional to 1,611,456,145.70, 2,417,184,218.55 and 446,922,385.70

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Solution

The fourth proportional to 1,611,456,145.70, 2,417,184,218.55 and 446,922,385.70 is: 670,383,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,456,145.70 : 2,417,184,218.55 = 446,922,385.70 : x
  2. Step 2: Convert to fraction form
    1,611,456,145.70/2,417,184,218.55 = 446,922,385.70/x
  3. Step 3: Cross multiply
    1,611,456,145.70x = 2,417,184,218.55 × 446,922,385.70
  4. Step 4: Simplify right side
    1,611,456,145.70x = 1,080,293,737,630,756,224
  5. Step 5: Solve for x
    x = 1,080,293,737,630,756,224/1,611,456,145.70
  6. Step 6: Final answer
    x = 670,383,578.55

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Half scale
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Double scale
Find fourth proportional to 1,611,456,146.70, 2,417,184,220.05 and 446,922,386.70
Similar ratio
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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.