Home / 1,329,698,566.70-1,994,547,850.05-409,455,331.10

Finding the Fourth Proportional to 1,329,698,566.70, 1,994,547,850.05 and 409,455,331.10

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Solution

The fourth proportional to 1,329,698,566.70, 1,994,547,850.05 and 409,455,331.10 is: 614,182,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,698,566.70 : 1,994,547,850.05 = 409,455,331.10 : x
  2. Step 2: Convert to fraction form
    1,329,698,566.70/1,994,547,850.05 = 409,455,331.10/x
  3. Step 3: Cross multiply
    1,329,698,566.70x = 1,994,547,850.05 × 409,455,331.10
  4. Step 4: Simplify right side
    1,329,698,566.70x = 816,678,250,337,015,936
  5. Step 5: Solve for x
    x = 816,678,250,337,015,936/1,329,698,566.70
  6. Step 6: Final answer
    x = 614,182,996.65

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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.