Home / 1,405,221,033,551-1,938,491,340,066.60-917,765,305,430.80

Finding the Fourth Proportional to 1,405,221,033,551, 1,938,491,340,066.60 and 917,765,305,430.80

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Solution

The fourth proportional to 1,405,221,033,551, 1,938,491,340,066.60 and 917,765,305,430.80 is: 1,266,050,005,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,221,033,551 : 1,938,491,340,066.60 = 917,765,305,430.80 : x
  2. Step 2: Convert to fraction form
    1,405,221,033,551/1,938,491,340,066.60 = 917,765,305,430.80/x
  3. Step 3: Cross multiply
    1,405,221,033,551x = 1,938,491,340,066.60 × 917,765,305,430.80
  4. Step 4: Simplify right side
    1,405,221,033,551x = 1,779,080,096,791,184,053,108,736
  5. Step 5: Solve for x
    x = 1,779,080,096,791,184,053,108,736/1,405,221,033,551
  6. Step 6: Final answer
    x = 1,266,050,005,169.25

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.