Home / 66,468,059,159.60-99,702,088,739.40-19,939,336,727.60

Finding the Fourth Proportional to 66,468,059,159.60, 99,702,088,739.40 and 19,939,336,727.60

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Solution

The fourth proportional to 66,468,059,159.60, 99,702,088,739.40 and 19,939,336,727.60 is: 29,909,005,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,468,059,159.60 : 99,702,088,739.40 = 19,939,336,727.60 : x
  2. Step 2: Convert to fraction form
    66,468,059,159.60/99,702,088,739.40 = 19,939,336,727.60/x
  3. Step 3: Cross multiply
    66,468,059,159.60x = 99,702,088,739.40 × 19,939,336,727.60
  4. Step 4: Simplify right side
    66,468,059,159.60x = 1,987,993,519,819,952,488,448
  5. Step 5: Solve for x
    x = 1,987,993,519,819,952,488,448/66,468,059,159.60
  6. Step 6: Final answer
    x = 29,909,005,091.40

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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.