Home / 1,329,698,741.70-1,994,548,112.55-409,455,506.10

Finding the Fourth Proportional to 1,329,698,741.70, 1,994,548,112.55 and 409,455,506.10

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Solution

The fourth proportional to 1,329,698,741.70, 1,994,548,112.55 and 409,455,506.10 is: 614,183,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,698,741.70 : 1,994,548,112.55 = 409,455,506.10 : x
  2. Step 2: Convert to fraction form
    1,329,698,741.70/1,994,548,112.55 = 409,455,506.10/x
  3. Step 3: Cross multiply
    1,329,698,741.70x = 1,994,548,112.55 × 409,455,506.10
  4. Step 4: Simplify right side
    1,329,698,741.70x = 816,678,706,864,960,000
  5. Step 5: Solve for x
    x = 816,678,706,864,960,000/1,329,698,741.70
  6. Step 6: Final answer
    x = 614,183,259.15

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Double scale
Find fourth proportional to 1,329,698,742.70, 1,994,548,114.05 and 409,455,507.10
Similar ratio
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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.