Home / 780,194,702.03-1,170,112,969.82-465,149,875.22

Finding the Fourth Proportional to 780,194,702.03, 1,170,112,969.82 and 465,149,875.22

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Solution

The fourth proportional to 780,194,702.03, 1,170,112,969.82 and 465,149,875.22 is: 697,618,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,194,702.03 : 1,170,112,969.82 = 465,149,875.22 : x
  2. Step 2: Convert to fraction form
    780,194,702.03/1,170,112,969.82 = 465,149,875.22/x
  3. Step 3: Cross multiply
    780,194,702.03x = 1,170,112,969.82 × 465,149,875.22
  4. Step 4: Simplify right side
    780,194,702.03x = 544,277,901,905,076,608
  5. Step 5: Solve for x
    x = 544,277,901,905,076,608/780,194,702.03
  6. Step 6: Final answer
    x = 697,618,043.92

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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.