Home / 4,727,809,161.60-7,091,713,742.40-1,281,237,129.60

Finding the Fourth Proportional to 4,727,809,161.60, 7,091,713,742.40 and 1,281,237,129.60

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Solution

The fourth proportional to 4,727,809,161.60, 7,091,713,742.40 and 1,281,237,129.60 is: 1,921,855,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727,809,161.60 : 7,091,713,742.40 = 1,281,237,129.60 : x
  2. Step 2: Convert to fraction form
    4,727,809,161.60/7,091,713,742.40 = 1,281,237,129.60/x
  3. Step 3: Cross multiply
    4,727,809,161.60x = 7,091,713,742.40 × 1,281,237,129.60
  4. Step 4: Simplify right side
    4,727,809,161.60x = 9,086,166,959,257,448,448
  5. Step 5: Solve for x
    x = 9,086,166,959,257,448,448/4,727,809,161.60
  6. Step 6: Final answer
    x = 1,921,855,694.40

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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.