Home / 1,205,076,300.07-1,808,311,835.40-505,505,782.21

Finding the Fourth Proportional to 1,205,076,300.07, 1,808,311,835.40 and 505,505,782.21

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Solution

The fourth proportional to 1,205,076,300.07, 1,808,311,835.40 and 505,505,782.21 is: 758,551,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,076,300.07 : 1,808,311,835.40 = 505,505,782.21 : x
  2. Step 2: Convert to fraction form
    1,205,076,300.07/1,808,311,835.40 = 505,505,782.21/x
  3. Step 3: Cross multiply
    1,205,076,300.07x = 1,808,311,835.40 × 505,505,782.21
  4. Step 4: Simplify right side
    1,205,076,300.07x = 914,112,088,833,477,760
  5. Step 5: Solve for x
    x = 914,112,088,833,477,760/1,205,076,300.07
  6. Step 6: Final answer
    x = 758,551,212.72

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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.