Home / 780,768,537.68-1,170,812,606.52-263,102,488.40

Finding the Fourth Proportional to 780,768,537.68, 1,170,812,606.52 and 263,102,488.40

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Solution

The fourth proportional to 780,768,537.68, 1,170,812,606.52 and 263,102,488.40 is: 394,539,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,768,537.68 : 1,170,812,606.52 = 263,102,488.40 : x
  2. Step 2: Convert to fraction form
    780,768,537.68/1,170,812,606.52 = 263,102,488.40/x
  3. Step 3: Cross multiply
    780,768,537.68x = 1,170,812,606.52 × 263,102,488.40
  4. Step 4: Simplify right side
    780,768,537.68x = 308,043,710,225,502,080
  5. Step 5: Solve for x
    x = 308,043,710,225,502,080/780,768,537.68
  6. Step 6: Final answer
    x = 394,539,092.39

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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.