Home / 1,405,221,033,536.40-1,938,491,340,046.40-917,765,305,416.27

Finding the Fourth Proportional to 1,405,221,033,536.40, 1,938,491,340,046.40 and 917,765,305,416.27

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Solution

The fourth proportional to 1,405,221,033,536.40, 1,938,491,340,046.40 and 917,765,305,416.27 is: 1,266,050,005,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,221,033,536.40 : 1,938,491,340,046.40 = 917,765,305,416.27 : x
  2. Step 2: Convert to fraction form
    1,405,221,033,536.40/1,938,491,340,046.40 = 917,765,305,416.27/x
  3. Step 3: Cross multiply
    1,405,221,033,536.40x = 1,938,491,340,046.40 × 917,765,305,416.27
  4. Step 4: Simplify right side
    1,405,221,033,536.40x = 1,779,080,096,744,478,699,683,840
  5. Step 5: Solve for x
    x = 1,779,080,096,744,478,699,683,840/1,405,221,033,536.40
  6. Step 6: Final answer
    x = 1,266,050,005,149.17

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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.