Home / 1,221,799,230.90-1,832,698,846.35-445,470,218.10

Finding the Fourth Proportional to 1,221,799,230.90, 1,832,698,846.35 and 445,470,218.10

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Solution

The fourth proportional to 1,221,799,230.90, 1,832,698,846.35 and 445,470,218.10 is: 668,205,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,799,230.90 : 1,832,698,846.35 = 445,470,218.10 : x
  2. Step 2: Convert to fraction form
    1,221,799,230.90/1,832,698,846.35 = 445,470,218.10/x
  3. Step 3: Cross multiply
    1,221,799,230.90x = 1,832,698,846.35 × 445,470,218.10
  4. Step 4: Simplify right side
    1,221,799,230.90x = 816,412,754,795,152,896
  5. Step 5: Solve for x
    x = 816,412,754,795,152,896/1,221,799,230.90
  6. Step 6: Final answer
    x = 668,205,327.15

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Half scale
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Double scale
Find fourth proportional to 1,221,799,231.90, 1,832,698,847.85 and 445,470,219.10
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.