Home / 1,405,221,033,550.10-1,938,491,340,065.70-917,765,305,430.10

Finding the Fourth Proportional to 1,405,221,033,550.10, 1,938,491,340,065.70 and 917,765,305,430.10

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Solution

The fourth proportional to 1,405,221,033,550.10, 1,938,491,340,065.70 and 917,765,305,430.10 is: 1,266,050,005,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,221,033,550.10 : 1,938,491,340,065.70 = 917,765,305,430.10 : x
  2. Step 2: Convert to fraction form
    1,405,221,033,550.10/1,938,491,340,065.70 = 917,765,305,430.10/x
  3. Step 3: Cross multiply
    1,405,221,033,550.10x = 1,938,491,340,065.70 × 917,765,305,430.10
  4. Step 4: Simplify right side
    1,405,221,033,550.10x = 1,779,080,096,789,000,867,545,088
  5. Step 5: Solve for x
    x = 1,779,080,096,789,000,867,545,088/1,405,221,033,550.10
  6. Step 6: Final answer
    x = 1,266,050,005,168.51

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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.