Home / 1,244,208,096.20-1,866,312,144.30-426,048,480.20

Finding the Fourth Proportional to 1,244,208,096.20, 1,866,312,144.30 and 426,048,480.20

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Solution

The fourth proportional to 1,244,208,096.20, 1,866,312,144.30 and 426,048,480.20 is: 639,072,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,208,096.20 : 1,866,312,144.30 = 426,048,480.20 : x
  2. Step 2: Convert to fraction form
    1,244,208,096.20/1,866,312,144.30 = 426,048,480.20/x
  3. Step 3: Cross multiply
    1,244,208,096.20x = 1,866,312,144.30 × 426,048,480.20
  4. Step 4: Simplify right side
    1,244,208,096.20x = 795,139,452,657,818,112
  5. Step 5: Solve for x
    x = 795,139,452,657,818,112/1,244,208,096.20
  6. Step 6: Final answer
    x = 639,072,720.30

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Half scale
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Double scale
Find fourth proportional to 1,244,208,097.20, 1,866,312,145.80 and 426,048,481.20
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.