Home / 1,405,221,033,551.20-1,938,491,340,066.80-917,765,305,430.92

Finding the Fourth Proportional to 1,405,221,033,551.20, 1,938,491,340,066.80 and 917,765,305,430.92

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Solution

The fourth proportional to 1,405,221,033,551.20, 1,938,491,340,066.80 and 917,765,305,430.92 is: 1,266,050,005,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,221,033,551.20 : 1,938,491,340,066.80 = 917,765,305,430.92 : x
  2. Step 2: Convert to fraction form
    1,405,221,033,551.20/1,938,491,340,066.80 = 917,765,305,430.92/x
  3. Step 3: Cross multiply
    1,405,221,033,551.20x = 1,938,491,340,066.80 × 917,765,305,430.92
  4. Step 4: Simplify right side
    1,405,221,033,551.20x = 1,779,080,096,791,600,128,065,536
  5. Step 5: Solve for x
    x = 1,779,080,096,791,600,128,065,536/1,405,221,033,551.20
  6. Step 6: Final answer
    x = 1,266,050,005,169.37

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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.