Home / 1,205,033,431.88-1,662,970,693.38-676,435,531.88

Finding the Fourth Proportional to 1,205,033,431.88, 1,662,970,693.38 and 676,435,531.88

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Solution

The fourth proportional to 1,205,033,431.88, 1,662,970,693.38 and 676,435,531.88 is: 933,494,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,033,431.88 : 1,662,970,693.38 = 676,435,531.88 : x
  2. Step 2: Convert to fraction form
    1,205,033,431.88/1,662,970,693.38 = 676,435,531.88/x
  3. Step 3: Cross multiply
    1,205,033,431.88x = 1,662,970,693.38 × 676,435,531.88
  4. Step 4: Simplify right side
    1,205,033,431.88x = 1,124,892,465,477,352,704
  5. Step 5: Solve for x
    x = 1,124,892,465,477,352,704/1,205,033,431.88
  6. Step 6: Final answer
    x = 933,494,819.08

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Half scale
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Double scale
Find fourth proportional to 1,205,033,432.88, 1,662,970,694.76 and 676,435,532.88
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.