Home / 1,226,545,128.40-1,839,817,692.60-736,769,102.80

Finding the Fourth Proportional to 1,226,545,128.40, 1,839,817,692.60 and 736,769,102.80

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Solution

The fourth proportional to 1,226,545,128.40, 1,839,817,692.60 and 736,769,102.80 is: 1,105,153,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,545,128.40 : 1,839,817,692.60 = 736,769,102.80 : x
  2. Step 2: Convert to fraction form
    1,226,545,128.40/1,839,817,692.60 = 736,769,102.80/x
  3. Step 3: Cross multiply
    1,226,545,128.40x = 1,839,817,692.60 × 736,769,102.80
  4. Step 4: Simplify right side
    1,226,545,128.40x = 1,355,520,830,692,467,968
  5. Step 5: Solve for x
    x = 1,355,520,830,692,467,968/1,226,545,128.40
  6. Step 6: Final answer
    x = 1,105,153,654.20

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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.