Home / 1,166,929,186.02-1,610,343,328.68-638,288,548.02

Finding the Fourth Proportional to 1,166,929,186.02, 1,610,343,328.68 and 638,288,548.02

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Solution

The fourth proportional to 1,166,929,186.02, 1,610,343,328.68 and 638,288,548.02 is: 880,827,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,929,186.02 : 1,610,343,328.68 = 638,288,548.02 : x
  2. Step 2: Convert to fraction form
    1,166,929,186.02/1,610,343,328.68 = 638,288,548.02/x
  3. Step 3: Cross multiply
    1,166,929,186.02x = 1,610,343,328.68 × 638,288,548.02
  4. Step 4: Simplify right side
    1,166,929,186.02x = 1,027,863,705,076,850,816
  5. Step 5: Solve for x
    x = 1,027,863,705,076,850,816/1,166,929,186.02
  6. Step 6: Final answer
    x = 880,827,832.05

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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.