Home / 1,769,471,999.80-2,654,207,999.70-620,730,777.40

Finding the Fourth Proportional to 1,769,471,999.80, 2,654,207,999.70 and 620,730,777.40

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Solution

The fourth proportional to 1,769,471,999.80, 2,654,207,999.70 and 620,730,777.40 is: 931,096,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,471,999.80 : 2,654,207,999.70 = 620,730,777.40 : x
  2. Step 2: Convert to fraction form
    1,769,471,999.80/2,654,207,999.70 = 620,730,777.40/x
  3. Step 3: Cross multiply
    1,769,471,999.80x = 2,654,207,999.70 × 620,730,777.40
  4. Step 4: Simplify right side
    1,769,471,999.80x = 1,647,548,595,035,079,680
  5. Step 5: Solve for x
    x = 1,647,548,595,035,079,680/1,769,471,999.80
  6. Step 6: Final answer
    x = 931,096,166.10

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1.5x scale

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.