Home / 18,807,164,636.80-28,214,828,424.48-5,720,621,330.56

Finding the Fourth Proportional to 18,807,164,636.80, 28,214,828,424.48 and 5,720,621,330.56

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Solution

The fourth proportional to 18,807,164,636.80, 28,214,828,424.48 and 5,720,621,330.56 is: 8,582,173,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807,164,636.80 : 28,214,828,424.48 = 5,720,621,330.56 : x
  2. Step 2: Convert to fraction form
    18,807,164,636.80/28,214,828,424.48 = 5,720,621,330.56/x
  3. Step 3: Cross multiply
    18,807,164,636.80x = 28,214,828,424.48 × 5,720,621,330.56
  4. Step 4: Simplify right side
    18,807,164,636.80x = 161,406,349,323,170,906,112
  5. Step 5: Solve for x
    x = 161,406,349,323,170,906,112/18,807,164,636.80
  6. Step 6: Final answer
    x = 8,582,173,466.35

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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.