Home / 1,431,387,285.60-2,147,080,928.40-1,064,055,266.40

Finding the Fourth Proportional to 1,431,387,285.60, 2,147,080,928.40 and 1,064,055,266.40

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Solution

The fourth proportional to 1,431,387,285.60, 2,147,080,928.40 and 1,064,055,266.40 is: 1,596,082,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,387,285.60 : 2,147,080,928.40 = 1,064,055,266.40 : x
  2. Step 2: Convert to fraction form
    1,431,387,285.60/2,147,080,928.40 = 1,064,055,266.40/x
  3. Step 3: Cross multiply
    1,431,387,285.60x = 2,147,080,928.40 × 1,064,055,266.40
  4. Step 4: Simplify right side
    1,431,387,285.60x = 2,284,612,769,251,021,312
  5. Step 5: Solve for x
    x = 2,284,612,769,251,021,312/1,431,387,285.60
  6. Step 6: Final answer
    x = 1,596,082,899.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.