Home / 1,034,242,647.20-1,551,363,970.80-905,102,484.20

Finding the Fourth Proportional to 1,034,242,647.20, 1,551,363,970.80 and 905,102,484.20

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Solution

The fourth proportional to 1,034,242,647.20, 1,551,363,970.80 and 905,102,484.20 is: 1,357,653,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,242,647.20 : 1,551,363,970.80 = 905,102,484.20 : x
  2. Step 2: Convert to fraction form
    1,034,242,647.20/1,551,363,970.80 = 905,102,484.20/x
  3. Step 3: Cross multiply
    1,034,242,647.20x = 1,551,363,970.80 × 905,102,484.20
  4. Step 4: Simplify right side
    1,034,242,647.20x = 1,404,143,383,869,456,384
  5. Step 5: Solve for x
    x = 1,404,143,383,869,456,384/1,034,242,647.20
  6. Step 6: Final answer
    x = 1,357,653,726.30

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Half scale
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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.