Home / 287,204,511,981.96-430,806,768,002.55-95,976,549,643.23

Finding the Fourth Proportional to 287,204,511,981.96, 430,806,768,002.55 and 95,976,549,643.23

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Solution

The fourth proportional to 287,204,511,981.96, 430,806,768,002.55 and 95,976,549,643.23 is: 143,964,824,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,204,511,981.96 : 430,806,768,002.55 = 95,976,549,643.23 : x
  2. Step 2: Convert to fraction form
    287,204,511,981.96/430,806,768,002.55 = 95,976,549,643.23/x
  3. Step 3: Cross multiply
    287,204,511,981.96x = 430,806,768,002.55 × 95,976,549,643.23
  4. Step 4: Simplify right side
    287,204,511,981.96x = 41,347,347,155,836,207,104,000
  5. Step 5: Solve for x
    x = 41,347,347,155,836,207,104,000/287,204,511,981.96
  6. Step 6: Final answer
    x = 143,964,824,474.74

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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.