Home / 1,183,821,786.40-1,775,732,679.60-310,421,466.40

Finding the Fourth Proportional to 1,183,821,786.40, 1,775,732,679.60 and 310,421,466.40

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Solution

The fourth proportional to 1,183,821,786.40, 1,775,732,679.60 and 310,421,466.40 is: 465,632,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,821,786.40 : 1,775,732,679.60 = 310,421,466.40 : x
  2. Step 2: Convert to fraction form
    1,183,821,786.40/1,775,732,679.60 = 310,421,466.40/x
  3. Step 3: Cross multiply
    1,183,821,786.40x = 1,775,732,679.60 × 310,421,466.40
  4. Step 4: Simplify right side
    1,183,821,786.40x = 551,225,542,335,833,280
  5. Step 5: Solve for x
    x = 551,225,542,335,833,280/1,183,821,786.40
  6. Step 6: Final answer
    x = 465,632,199.60

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Half scale
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Double scale
Find fourth proportional to 1,183,821,787.40, 1,775,732,681.10 and 310,421,467.40
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.