Home / 1,405,221,033,550.40-1,938,491,340,065.70-917,765,305,430.25

Finding the Fourth Proportional to 1,405,221,033,550.40, 1,938,491,340,065.70 and 917,765,305,430.25

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Solution

The fourth proportional to 1,405,221,033,550.40, 1,938,491,340,065.70 and 917,765,305,430.25 is: 1,266,050,005,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,221,033,550.40 : 1,938,491,340,065.70 = 917,765,305,430.25 : x
  2. Step 2: Convert to fraction form
    1,405,221,033,550.40/1,938,491,340,065.70 = 917,765,305,430.25/x
  3. Step 3: Cross multiply
    1,405,221,033,550.40x = 1,938,491,340,065.70 × 917,765,305,430.25
  4. Step 4: Simplify right side
    1,405,221,033,550.40x = 1,779,080,096,789,291,851,579,392
  5. Step 5: Solve for x
    x = 1,779,080,096,789,291,851,579,392/1,405,221,033,550.40
  6. Step 6: Final answer
    x = 1,266,050,005,168.45

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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.