Home / 1,405,221,033,548.60-1,938,491,340,063.10-917,765,305,428.40

Finding the Fourth Proportional to 1,405,221,033,548.60, 1,938,491,340,063.10 and 917,765,305,428.40

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Solution

The fourth proportional to 1,405,221,033,548.60, 1,938,491,340,063.10 and 917,765,305,428.40 is: 1,266,050,005,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,221,033,548.60 : 1,938,491,340,063.10 = 917,765,305,428.40 : x
  2. Step 2: Convert to fraction form
    1,405,221,033,548.60/1,938,491,340,063.10 = 917,765,305,428.40/x
  3. Step 3: Cross multiply
    1,405,221,033,548.60x = 1,938,491,340,063.10 × 917,765,305,428.40
  4. Step 4: Simplify right side
    1,405,221,033,548.60x = 1,779,080,096,783,319,431,118,848
  5. Step 5: Solve for x
    x = 1,779,080,096,783,319,431,118,848/1,405,221,033,548.60
  6. Step 6: Final answer
    x = 1,266,050,005,165.82

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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.