Home / 621,534,443.10-932,301,664.65-417,160,427.10

Finding the Fourth Proportional to 621,534,443.10, 932,301,664.65 and 417,160,427.10

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Solution

The fourth proportional to 621,534,443.10, 932,301,664.65 and 417,160,427.10 is: 625,740,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,534,443.10 : 932,301,664.65 = 417,160,427.10 : x
  2. Step 2: Convert to fraction form
    621,534,443.10/932,301,664.65 = 417,160,427.10/x
  3. Step 3: Cross multiply
    621,534,443.10x = 932,301,664.65 × 417,160,427.10
  4. Step 4: Simplify right side
    621,534,443.10x = 388,919,360,611,435,008
  5. Step 5: Solve for x
    x = 388,919,360,611,435,008/621,534,443.10
  6. Step 6: Final answer
    x = 625,740,640.65

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Double scale
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Similar ratio
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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.