Home / 1,405,221,033,547.30-1,938,491,340,061.30-917,765,305,427.07

Finding the Fourth Proportional to 1,405,221,033,547.30, 1,938,491,340,061.30 and 917,765,305,427.07

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Solution

The fourth proportional to 1,405,221,033,547.30, 1,938,491,340,061.30 and 917,765,305,427.07 is: 1,266,050,005,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,221,033,547.30 : 1,938,491,340,061.30 = 917,765,305,427.07 : x
  2. Step 2: Convert to fraction form
    1,405,221,033,547.30/1,938,491,340,061.30 = 917,765,305,427.07/x
  3. Step 3: Cross multiply
    1,405,221,033,547.30x = 1,938,491,340,061.30 × 917,765,305,427.07
  4. Step 4: Simplify right side
    1,405,221,033,547.30x = 1,779,080,096,779,089,156,767,744
  5. Step 5: Solve for x
    x = 1,779,080,096,779,089,156,767,744/1,405,221,033,547.30
  6. Step 6: Final answer
    x = 1,266,050,005,163.98

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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.