Home / 1,056,576,034.40-1,584,864,051.60-689,244,015.20

Finding the Fourth Proportional to 1,056,576,034.40, 1,584,864,051.60 and 689,244,015.20

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Solution

The fourth proportional to 1,056,576,034.40, 1,584,864,051.60 and 689,244,015.20 is: 1,033,866,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,576,034.40 : 1,584,864,051.60 = 689,244,015.20 : x
  2. Step 2: Convert to fraction form
    1,056,576,034.40/1,584,864,051.60 = 689,244,015.20/x
  3. Step 3: Cross multiply
    1,056,576,034.40x = 1,584,864,051.60 × 689,244,015.20
  4. Step 4: Simplify right side
    1,056,576,034.40x = 1,092,358,062,470,924,032
  5. Step 5: Solve for x
    x = 1,092,358,062,470,924,032/1,056,576,034.40
  6. Step 6: Final answer
    x = 1,033,866,022.80

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Double scale
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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.