Home / 19,149,333,742.40-28,724,000,613.60-18,719,352,046.40

Finding the Fourth Proportional to 19,149,333,742.40, 28,724,000,613.60 and 18,719,352,046.40

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Solution

The fourth proportional to 19,149,333,742.40, 28,724,000,613.60 and 18,719,352,046.40 is: 28,079,028,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149,333,742.40 : 28,724,000,613.60 = 18,719,352,046.40 : x
  2. Step 2: Convert to fraction form
    19,149,333,742.40/28,724,000,613.60 = 18,719,352,046.40/x
  3. Step 3: Cross multiply
    19,149,333,742.40x = 28,724,000,613.60 × 18,719,352,046.40
  4. Step 4: Simplify right side
    19,149,333,742.40x = 537,694,679,666,988,023,808
  5. Step 5: Solve for x
    x = 537,694,679,666,988,023,808/19,149,333,742.40
  6. Step 6: Final answer
    x = 28,079,028,069.60

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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.