Home / 1,076,123,947.80-1,614,185,921.70-1,065,920,280.60

Finding the Fourth Proportional to 1,076,123,947.80, 1,614,185,921.70 and 1,065,920,280.60

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Solution

The fourth proportional to 1,076,123,947.80, 1,614,185,921.70 and 1,065,920,280.60 is: 1,598,880,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,123,947.80 : 1,614,185,921.70 = 1,065,920,280.60 : x
  2. Step 2: Convert to fraction form
    1,076,123,947.80/1,614,185,921.70 = 1,065,920,280.60/x
  3. Step 3: Cross multiply
    1,076,123,947.80x = 1,614,185,921.70 × 1,065,920,280.60
  4. Step 4: Simplify right side
    1,076,123,947.80x = 1,720,593,510,599,033,600
  5. Step 5: Solve for x
    x = 1,720,593,510,599,033,600/1,076,123,947.80
  6. Step 6: Final answer
    x = 1,598,880,420.90

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Double scale
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Similar ratio
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1.5x scale

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.