Home / 1,126,420,210.20-1,689,630,315.30-956,359,090.20

Finding the Fourth Proportional to 1,126,420,210.20, 1,689,630,315.30 and 956,359,090.20

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Solution

The fourth proportional to 1,126,420,210.20, 1,689,630,315.30 and 956,359,090.20 is: 1,434,538,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,420,210.20 : 1,689,630,315.30 = 956,359,090.20 : x
  2. Step 2: Convert to fraction form
    1,126,420,210.20/1,689,630,315.30 = 956,359,090.20/x
  3. Step 3: Cross multiply
    1,126,420,210.20x = 1,689,630,315.30 × 956,359,090.20
  4. Step 4: Simplify right side
    1,126,420,210.20x = 1,615,893,311,114,647,296
  5. Step 5: Solve for x
    x = 1,615,893,311,114,647,296/1,126,420,210.20
  6. Step 6: Final answer
    x = 1,434,538,635.30

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Half scale
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Double scale
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Similar ratio
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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.