Home / 15,727,549,199.55-21,704,017,065.35-8,493,595,980.39

Finding the Fourth Proportional to 15,727,549,199.55, 21,704,017,065.35 and 8,493,595,980.39

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Solution

The fourth proportional to 15,727,549,199.55, 21,704,017,065.35 and 8,493,595,980.39 is: 11,721,162,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,549,199.55 : 21,704,017,065.35 = 8,493,595,980.39 : x
  2. Step 2: Convert to fraction form
    15,727,549,199.55/21,704,017,065.35 = 8,493,595,980.39/x
  3. Step 3: Cross multiply
    15,727,549,199.55x = 21,704,017,065.35 × 8,493,595,980.39
  4. Step 4: Simplify right side
    15,727,549,199.55x = 184,345,152,104,572,715,008
  5. Step 5: Solve for x
    x = 184,345,152,104,572,715,008/15,727,549,199.55
  6. Step 6: Final answer
    x = 11,721,162,004.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.