Home / 708,590,988.20-1,062,886,482.30-325,638,540.20

Finding the Fourth Proportional to 708,590,988.20, 1,062,886,482.30 and 325,638,540.20

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Solution

The fourth proportional to 708,590,988.20, 1,062,886,482.30 and 325,638,540.20 is: 488,457,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,988.20 : 1,062,886,482.30 = 325,638,540.20 : x
  2. Step 2: Convert to fraction form
    708,590,988.20/1,062,886,482.30 = 325,638,540.20/x
  3. Step 3: Cross multiply
    708,590,988.20x = 1,062,886,482.30 × 325,638,540.20
  4. Step 4: Simplify right side
    708,590,988.20x = 346,116,802,494,485,120
  5. Step 5: Solve for x
    x = 346,116,802,494,485,120/708,590,988.20
  6. Step 6: Final answer
    x = 488,457,810.30

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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.