Home / 19,361,189,117.70-29,041,783,676.55-18,931,207,421.70

Finding the Fourth Proportional to 19,361,189,117.70, 29,041,783,676.55 and 18,931,207,421.70

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Solution

The fourth proportional to 19,361,189,117.70, 29,041,783,676.55 and 18,931,207,421.70 is: 28,396,811,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361,189,117.70 : 29,041,783,676.55 = 18,931,207,421.70 : x
  2. Step 2: Convert to fraction form
    19,361,189,117.70/29,041,783,676.55 = 18,931,207,421.70/x
  3. Step 3: Cross multiply
    19,361,189,117.70x = 29,041,783,676.55 × 18,931,207,421.70
  4. Step 4: Simplify right side
    19,361,189,117.70x = 549,796,030,676,909,293,568
  5. Step 5: Solve for x
    x = 549,796,030,676,909,293,568/19,361,189,117.70
  6. Step 6: Final answer
    x = 28,396,811,132.55

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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.