Home / 645,112,810.02-967,666,453.26-178,772,901.96

Finding the Fourth Proportional to 645,112,810.02, 967,666,453.26 and 178,772,901.96

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Solution

The fourth proportional to 645,112,810.02, 967,666,453.26 and 178,772,901.96 is: 268,158,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,112,810.02 : 967,666,453.26 = 178,772,901.96 : x
  2. Step 2: Convert to fraction form
    645,112,810.02/967,666,453.26 = 178,772,901.96/x
  3. Step 3: Cross multiply
    645,112,810.02x = 967,666,453.26 × 178,772,901.96
  4. Step 4: Simplify right side
    645,112,810.02x = 172,992,539,978,630,912
  5. Step 5: Solve for x
    x = 172,992,539,978,630,912/645,112,810.02
  6. Step 6: Final answer
    x = 268,158,587.60

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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.