Home / 414,424,398,420.30-621,636,597,630.45-414,424,398,420.30

Finding the Fourth Proportional to 414,424,398,420.30, 621,636,597,630.45 and 414,424,398,420.30

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Solution

The fourth proportional to 414,424,398,420.30, 621,636,597,630.45 and 414,424,398,420.30 is: 621,636,597,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,424,398,420.30 : 621,636,597,630.45 = 414,424,398,420.30 : x
  2. Step 2: Convert to fraction form
    414,424,398,420.30/621,636,597,630.45 = 414,424,398,420.30/x
  3. Step 3: Cross multiply
    414,424,398,420.30x = 621,636,597,630.45 × 414,424,398,420.30
  4. Step 4: Simplify right side
    414,424,398,420.30x = 257,621,373,009,041,318,477,824
  5. Step 5: Solve for x
    x = 257,621,373,009,041,318,477,824/414,424,398,420.30
  6. Step 6: Final answer
    x = 621,636,597,630.45

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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.