Home / 646,827,251.60-970,240,877.40-186,780,429.20

Finding the Fourth Proportional to 646,827,251.60, 970,240,877.40 and 186,780,429.20

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Solution

The fourth proportional to 646,827,251.60, 970,240,877.40 and 186,780,429.20 is: 280,170,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,827,251.60 : 970,240,877.40 = 186,780,429.20 : x
  2. Step 2: Convert to fraction form
    646,827,251.60/970,240,877.40 = 186,780,429.20/x
  3. Step 3: Cross multiply
    646,827,251.60x = 970,240,877.40 × 186,780,429.20
  4. Step 4: Simplify right side
    646,827,251.60x = 181,222,007,508,156,576
  5. Step 5: Solve for x
    x = 181,222,007,508,156,576/646,827,251.60
  6. Step 6: Final answer
    x = 280,170,643.80

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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.