Home / 1,415,294,072.93-1,953,111,739.71-780,200,626.50

Finding the Fourth Proportional to 1,415,294,072.93, 1,953,111,739.71 and 780,200,626.50

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Solution

The fourth proportional to 1,415,294,072.93, 1,953,111,739.71 and 780,200,626.50 is: 1,076,680,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,294,072.93 : 1,953,111,739.71 = 780,200,626.50 : x
  2. Step 2: Convert to fraction form
    1,415,294,072.93/1,953,111,739.71 = 780,200,626.50/x
  3. Step 3: Cross multiply
    1,415,294,072.93x = 1,953,111,739.71 × 780,200,626.50
  4. Step 4: Simplify right side
    1,415,294,072.93x = 1,523,819,002,949,133,824
  5. Step 5: Solve for x
    x = 1,523,819,002,949,133,824/1,415,294,072.93
  6. Step 6: Final answer
    x = 1,076,680,127.54

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1.5x scale

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.