Home / 780,046,411.20-1,170,242,827.20-262,462,243.20

Finding the Fourth Proportional to 780,046,411.20, 1,170,242,827.20 and 262,462,243.20

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Solution

The fourth proportional to 780,046,411.20, 1,170,242,827.20 and 262,462,243.20 is: 393,751,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,046,411.20 : 1,170,242,827.20 = 262,462,243.20 : x
  2. Step 2: Convert to fraction form
    780,046,411.20/1,170,242,827.20 = 262,462,243.20/x
  3. Step 3: Cross multiply
    780,046,411.20x = 1,170,242,827.20 × 262,462,243.20
  4. Step 4: Simplify right side
    780,046,411.20x = 307,144,557,515,621,952
  5. Step 5: Solve for x
    x = 307,144,557,515,621,952/780,046,411.20
  6. Step 6: Final answer
    x = 393,751,644.91

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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.