Home / 1,166,929,188.02-1,610,343,331.44-638,288,550.02

Finding the Fourth Proportional to 1,166,929,188.02, 1,610,343,331.44 and 638,288,550.02

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Solution

The fourth proportional to 1,166,929,188.02, 1,610,343,331.44 and 638,288,550.02 is: 880,827,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,929,188.02 : 1,610,343,331.44 = 638,288,550.02 : x
  2. Step 2: Convert to fraction form
    1,166,929,188.02/1,610,343,331.44 = 638,288,550.02/x
  3. Step 3: Cross multiply
    1,166,929,188.02x = 1,610,343,331.44 × 638,288,550.02
  4. Step 4: Simplify right side
    1,166,929,188.02x = 1,027,863,710,059,213,824
  5. Step 5: Solve for x
    x = 1,027,863,710,059,213,824/1,166,929,188.02
  6. Step 6: Final answer
    x = 880,827,834.81

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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.