Home / 28,704,397,809.60-43,056,596,714.40-7,742,790,129.60

Finding the Fourth Proportional to 28,704,397,809.60, 43,056,596,714.40 and 7,742,790,129.60

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Solution

The fourth proportional to 28,704,397,809.60, 43,056,596,714.40 and 7,742,790,129.60 is: 11,614,185,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704,397,809.60 : 43,056,596,714.40 = 7,742,790,129.60 : x
  2. Step 2: Convert to fraction form
    28,704,397,809.60/43,056,596,714.40 = 7,742,790,129.60/x
  3. Step 3: Cross multiply
    28,704,397,809.60x = 43,056,596,714.40 × 7,742,790,129.60
  4. Step 4: Simplify right side
    28,704,397,809.60x = 333,378,192,054,424,109,056
  5. Step 5: Solve for x
    x = 333,378,192,054,424,109,056/28,704,397,809.60
  6. Step 6: Final answer
    x = 11,614,185,194.40

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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.