Home / 1,008,021,710.70-1,512,032,566.05-904,709,580.30

Finding the Fourth Proportional to 1,008,021,710.70, 1,512,032,566.05 and 904,709,580.30

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Solution

The fourth proportional to 1,008,021,710.70, 1,512,032,566.05 and 904,709,580.30 is: 1,357,064,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,021,710.70 : 1,512,032,566.05 = 904,709,580.30 : x
  2. Step 2: Convert to fraction form
    1,008,021,710.70/1,512,032,566.05 = 904,709,580.30/x
  3. Step 3: Cross multiply
    1,008,021,710.70x = 1,512,032,566.05 × 904,709,580.30
  4. Step 4: Simplify right side
    1,008,021,710.70x = 1,367,950,348,231,027,456
  5. Step 5: Solve for x
    x = 1,367,950,348,231,027,456/1,008,021,710.70
  6. Step 6: Final answer
    x = 1,357,064,370.45

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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.