Home / 1,608,338,213-2,219,601,541.20-1,211,160,467.24

Finding the Fourth Proportional to 1,608,338,213, 2,219,601,541.20 and 1,211,160,467.24

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Solution

The fourth proportional to 1,608,338,213, 2,219,601,541.20 and 1,211,160,467.24 is: 1,671,472,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,338,213 : 2,219,601,541.20 = 1,211,160,467.24 : x
  2. Step 2: Convert to fraction form
    1,608,338,213/2,219,601,541.20 = 1,211,160,467.24/x
  3. Step 3: Cross multiply
    1,608,338,213x = 2,219,601,541.20 × 1,211,160,467.24
  4. Step 4: Simplify right side
    1,608,338,213x = 2,688,293,639,726,415,872
  5. Step 5: Solve for x
    x = 2,688,293,639,726,415,872/1,608,338,213
  6. Step 6: Final answer
    x = 1,671,472,839.48

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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.