Home / 1,394,284,004.20-2,091,426,006.30-668,689,892.20

Finding the Fourth Proportional to 1,394,284,004.20, 2,091,426,006.30 and 668,689,892.20

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Solution

The fourth proportional to 1,394,284,004.20, 2,091,426,006.30 and 668,689,892.20 is: 1,003,034,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,284,004.20 : 2,091,426,006.30 = 668,689,892.20 : x
  2. Step 2: Convert to fraction form
    1,394,284,004.20/2,091,426,006.30 = 668,689,892.20/x
  3. Step 3: Cross multiply
    1,394,284,004.20x = 2,091,426,006.30 × 668,689,892.20
  4. Step 4: Simplify right side
    1,394,284,004.20x = 1,398,515,430,697,023,488
  5. Step 5: Solve for x
    x = 1,398,515,430,697,023,488/1,394,284,004.20
  6. Step 6: Final answer
    x = 1,003,034,838.30

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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.