Home / 1,236,604,432.80-1,854,906,649.20-418,716,733.80

Finding the Fourth Proportional to 1,236,604,432.80, 1,854,906,649.20 and 418,716,733.80

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Solution

The fourth proportional to 1,236,604,432.80, 1,854,906,649.20 and 418,716,733.80 is: 628,075,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,604,432.80 : 1,854,906,649.20 = 418,716,733.80 : x
  2. Step 2: Convert to fraction form
    1,236,604,432.80/1,854,906,649.20 = 418,716,733.80/x
  3. Step 3: Cross multiply
    1,236,604,432.80x = 1,854,906,649.20 × 418,716,733.80
  4. Step 4: Simplify right side
    1,236,604,432.80x = 776,680,453,656,926,464
  5. Step 5: Solve for x
    x = 776,680,453,656,926,464/1,236,604,432.80
  6. Step 6: Final answer
    x = 628,075,100.70

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Double scale
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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.