Home / 851,436,019.40-1,277,154,029.10-837,087,112.40

Finding the Fourth Proportional to 851,436,019.40, 1,277,154,029.10 and 837,087,112.40

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Solution

The fourth proportional to 851,436,019.40, 1,277,154,029.10 and 837,087,112.40 is: 1,255,630,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,436,019.40 : 1,277,154,029.10 = 837,087,112.40 : x
  2. Step 2: Convert to fraction form
    851,436,019.40/1,277,154,029.10 = 837,087,112.40/x
  3. Step 3: Cross multiply
    851,436,019.40x = 1,277,154,029.10 × 837,087,112.40
  4. Step 4: Simplify right side
    851,436,019.40x = 1,069,089,178,309,344,512
  5. Step 5: Solve for x
    x = 1,069,089,178,309,344,512/851,436,019.40
  6. Step 6: Final answer
    x = 1,255,630,668.60

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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.