Home / 1,405,221,033,548.60-1,938,491,340,063.60-917,765,305,428.60

Finding the Fourth Proportional to 1,405,221,033,548.60, 1,938,491,340,063.60 and 917,765,305,428.60

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Solution

The fourth proportional to 1,405,221,033,548.60, 1,938,491,340,063.60 and 917,765,305,428.60 is: 1,266,050,005,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,221,033,548.60 : 1,938,491,340,063.60 = 917,765,305,428.60 : x
  2. Step 2: Convert to fraction form
    1,405,221,033,548.60/1,938,491,340,063.60 = 917,765,305,428.60/x
  3. Step 3: Cross multiply
    1,405,221,033,548.60x = 1,938,491,340,063.60 × 917,765,305,428.60
  4. Step 4: Simplify right side
    1,405,221,033,548.60x = 1,779,080,096,784,166,076,547,072
  5. Step 5: Solve for x
    x = 1,779,080,096,784,166,076,547,072/1,405,221,033,548.60
  6. Step 6: Final answer
    x = 1,266,050,005,166.42

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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.