Home / 1,679,617,366.80-2,519,426,050.20-515,076,608.40

Finding the Fourth Proportional to 1,679,617,366.80, 2,519,426,050.20 and 515,076,608.40

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Solution

The fourth proportional to 1,679,617,366.80, 2,519,426,050.20 and 515,076,608.40 is: 772,614,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,617,366.80 : 2,519,426,050.20 = 515,076,608.40 : x
  2. Step 2: Convert to fraction form
    1,679,617,366.80/2,519,426,050.20 = 515,076,608.40/x
  3. Step 3: Cross multiply
    1,679,617,366.80x = 2,519,426,050.20 × 515,076,608.40
  4. Step 4: Simplify right side
    1,679,617,366.80x = 1,297,697,425,051,623,936
  5. Step 5: Solve for x
    x = 1,297,697,425,051,623,936/1,679,617,366.80
  6. Step 6: Final answer
    x = 772,614,912.60

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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.