Home / 19,361,189,128.20-29,041,783,692.30-18,931,207,432.20

Finding the Fourth Proportional to 19,361,189,128.20, 29,041,783,692.30 and 18,931,207,432.20

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Solution

The fourth proportional to 19,361,189,128.20, 29,041,783,692.30 and 18,931,207,432.20 is: 28,396,811,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361,189,128.20 : 29,041,783,692.30 = 18,931,207,432.20 : x
  2. Step 2: Convert to fraction form
    19,361,189,128.20/29,041,783,692.30 = 18,931,207,432.20/x
  3. Step 3: Cross multiply
    19,361,189,128.20x = 29,041,783,692.30 × 18,931,207,432.20
  4. Step 4: Simplify right side
    19,361,189,128.20x = 549,796,031,280,014,557,184
  5. Step 5: Solve for x
    x = 549,796,031,280,014,557,184/19,361,189,128.20
  6. Step 6: Final answer
    x = 28,396,811,148.30

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Double scale
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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.