Home / 30,789,770,148,437-42,493,525,414,007-18,289,549,575,862

Finding the Fourth Proportional to 30,789,770,148,437, 42,493,525,414,007 and 18,289,549,575,862

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Solution

The fourth proportional to 30,789,770,148,437, 42,493,525,414,007 and 18,289,549,575,862 is: 25,241,742,174,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,789,770,148,437 : 42,493,525,414,007 = 18,289,549,575,862 : x
  2. Step 2: Convert to fraction form
    30,789,770,148,437/42,493,525,414,007 = 18,289,549,575,862/x
  3. Step 3: Cross multiply
    30,789,770,148,437x = 42,493,525,414,007 × 18,289,549,575,862
  4. Step 4: Simplify right side
    30,789,770,148,437x = 777,187,439,712,632,813,561,839,616
  5. Step 5: Solve for x
    x = 777,187,439,712,632,813,561,839,616/30,789,770,148,437
  6. Step 6: Final answer
    x = 25,241,742,174,943.96

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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.