Home / 1,005,667,250.02-1,387,941,622.92-609,178,606.09

Finding the Fourth Proportional to 1,005,667,250.02, 1,387,941,622.92 and 609,178,606.09

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Solution

The fourth proportional to 1,005,667,250.02, 1,387,941,622.92 and 609,178,606.09 is: 840,739,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,667,250.02 : 1,387,941,622.92 = 609,178,606.09 : x
  2. Step 2: Convert to fraction form
    1,005,667,250.02/1,387,941,622.92 = 609,178,606.09/x
  3. Step 3: Cross multiply
    1,005,667,250.02x = 1,387,941,622.92 × 609,178,606.09
  4. Step 4: Simplify right side
    1,005,667,250.02x = 845,504,343,184,698,112
  5. Step 5: Solve for x
    x = 845,504,343,184,698,112/1,005,667,250.02
  6. Step 6: Final answer
    x = 840,739,661.32

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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.