Home / 1,067,757,842.60-1,601,636,763.90-838,434,271.40

Finding the Fourth Proportional to 1,067,757,842.60, 1,601,636,763.90 and 838,434,271.40

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Solution

The fourth proportional to 1,067,757,842.60, 1,601,636,763.90 and 838,434,271.40 is: 1,257,651,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,757,842.60 : 1,601,636,763.90 = 838,434,271.40 : x
  2. Step 2: Convert to fraction form
    1,067,757,842.60/1,601,636,763.90 = 838,434,271.40/x
  3. Step 3: Cross multiply
    1,067,757,842.60x = 1,601,636,763.90 × 838,434,271.40
  4. Step 4: Simplify right side
    1,067,757,842.60x = 1,342,867,153,187,950,336
  5. Step 5: Solve for x
    x = 1,342,867,153,187,950,336/1,067,757,842.60
  6. Step 6: Final answer
    x = 1,257,651,407.10

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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.