Home / 2,911,662,916.40-4,367,494,374.60-1,279,076,164.40

Finding the Fourth Proportional to 2,911,662,916.40, 4,367,494,374.60 and 1,279,076,164.40

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Solution

The fourth proportional to 2,911,662,916.40, 4,367,494,374.60 and 1,279,076,164.40 is: 1,918,614,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,662,916.40 : 4,367,494,374.60 = 1,279,076,164.40 : x
  2. Step 2: Convert to fraction form
    2,911,662,916.40/4,367,494,374.60 = 1,279,076,164.40/x
  3. Step 3: Cross multiply
    2,911,662,916.40x = 4,367,494,374.60 × 1,279,076,164.40
  4. Step 4: Simplify right side
    2,911,662,916.40x = 5,586,357,952,701,945,856
  5. Step 5: Solve for x
    x = 5,586,357,952,701,945,856/2,911,662,916.40
  6. Step 6: Final answer
    x = 1,918,614,246.60

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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.