Home / 1,224,761,907.90-1,837,142,861.85-448,432,895.10

Finding the Fourth Proportional to 1,224,761,907.90, 1,837,142,861.85 and 448,432,895.10

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Solution

The fourth proportional to 1,224,761,907.90, 1,837,142,861.85 and 448,432,895.10 is: 672,649,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,761,907.90 : 1,837,142,861.85 = 448,432,895.10 : x
  2. Step 2: Convert to fraction form
    1,224,761,907.90/1,837,142,861.85 = 448,432,895.10/x
  3. Step 3: Cross multiply
    1,224,761,907.90x = 1,837,142,861.85 × 448,432,895.10
  4. Step 4: Simplify right side
    1,224,761,907.90x = 823,835,292,251,694,848
  5. Step 5: Solve for x
    x = 823,835,292,251,694,848/1,224,761,907.90
  6. Step 6: Final answer
    x = 672,649,342.65

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Half scale
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Double scale
Find fourth proportional to 1,224,761,908.90, 1,837,142,863.35 and 448,432,896.10
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.