Home / 1,800,598,771.81-2,485,086,218.81-1,037,496,689.45

Finding the Fourth Proportional to 1,800,598,771.81, 2,485,086,218.81 and 1,037,496,689.45

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Solution

The fourth proportional to 1,800,598,771.81, 2,485,086,218.81 and 1,037,496,689.45 is: 1,431,895,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,598,771.81 : 2,485,086,218.81 = 1,037,496,689.45 : x
  2. Step 2: Convert to fraction form
    1,800,598,771.81/2,485,086,218.81 = 1,037,496,689.45/x
  3. Step 3: Cross multiply
    1,800,598,771.81x = 2,485,086,218.81 × 1,037,496,689.45
  4. Step 4: Simplify right side
    1,800,598,771.81x = 2,578,268,725,008,005,632
  5. Step 5: Solve for x
    x = 2,578,268,725,008,005,632/1,800,598,771.81
  6. Step 6: Final answer
    x = 1,431,895,192.52

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Double scale
Find fourth proportional to 1,800,598,772.81, 2,485,086,220.19 and 1,037,496,690.45
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1.5x scale

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.