Home / 1,359,903,331.80-2,035,152,072.90-815,035,901.40

Finding the Fourth Proportional to 1,359,903,331.80, 2,035,152,072.90 and 815,035,901.40

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Solution

The fourth proportional to 1,359,903,331.80, 2,035,152,072.90 and 815,035,901.40 is: 1,219,735,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,903,331.80 : 2,035,152,072.90 = 815,035,901.40 : x
  2. Step 2: Convert to fraction form
    1,359,903,331.80/2,035,152,072.90 = 815,035,901.40/x
  3. Step 3: Cross multiply
    1,359,903,331.80x = 2,035,152,072.90 × 815,035,901.40
  4. Step 4: Simplify right side
    1,359,903,331.80x = 1,658,722,004,222,129,920
  5. Step 5: Solve for x
    x = 1,658,722,004,222,129,920/1,359,903,331.80
  6. Step 6: Final answer
    x = 1,219,735,230.76

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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.