Home / 1,245,771,036.90-1,868,656,555.35-1,226,400,012.45

Finding the Fourth Proportional to 1,245,771,036.90, 1,868,656,555.35 and 1,226,400,012.45

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Solution

The fourth proportional to 1,245,771,036.90, 1,868,656,555.35 and 1,226,400,012.45 is: 1,839,600,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,771,036.90 : 1,868,656,555.35 = 1,226,400,012.45 : x
  2. Step 2: Convert to fraction form
    1,245,771,036.90/1,868,656,555.35 = 1,226,400,012.45/x
  3. Step 3: Cross multiply
    1,245,771,036.90x = 1,868,656,555.35 × 1,226,400,012.45
  4. Step 4: Simplify right side
    1,245,771,036.90x = 2,291,720,422,746,014,208
  5. Step 5: Solve for x
    x = 2,291,720,422,746,014,208/1,245,771,036.90
  6. Step 6: Final answer
    x = 1,839,600,018.68

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Double scale
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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.