Home / 1,224,761,423.40-1,837,142,135.10-448,432,410.60

Finding the Fourth Proportional to 1,224,761,423.40, 1,837,142,135.10 and 448,432,410.60

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Solution

The fourth proportional to 1,224,761,423.40, 1,837,142,135.10 and 448,432,410.60 is: 672,648,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,761,423.40 : 1,837,142,135.10 = 448,432,410.60 : x
  2. Step 2: Convert to fraction form
    1,224,761,423.40/1,837,142,135.10 = 448,432,410.60/x
  3. Step 3: Cross multiply
    1,224,761,423.40x = 1,837,142,135.10 × 448,432,410.60
  4. Step 4: Simplify right side
    1,224,761,423.40x = 823,834,076,257,723,904
  5. Step 5: Solve for x
    x = 823,834,076,257,723,904/1,224,761,423.40
  6. Step 6: Final answer
    x = 672,648,615.90

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Double scale
Find fourth proportional to 1,224,761,424.40, 1,837,142,136.60 and 448,432,411.60
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.