Home / 1,205,076,297.57-1,808,311,831.65-505,505,779.71

Finding the Fourth Proportional to 1,205,076,297.57, 1,808,311,831.65 and 505,505,779.71

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Solution

The fourth proportional to 1,205,076,297.57, 1,808,311,831.65 and 505,505,779.71 is: 758,551,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,076,297.57 : 1,808,311,831.65 = 505,505,779.71 : x
  2. Step 2: Convert to fraction form
    1,205,076,297.57/1,808,311,831.65 = 505,505,779.71/x
  3. Step 3: Cross multiply
    1,205,076,297.57x = 1,808,311,831.65 × 505,505,779.71
  4. Step 4: Simplify right side
    1,205,076,297.57x = 914,112,082,417,051,520
  5. Step 5: Solve for x
    x = 914,112,082,417,051,520/1,205,076,297.57
  6. Step 6: Final answer
    x = 758,551,208.97

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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.