Home / 1,227,657,079.04-1,842,211,896.96-451,847,632.64

Finding the Fourth Proportional to 1,227,657,079.04, 1,842,211,896.96 and 451,847,632.64

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Solution

The fourth proportional to 1,227,657,079.04, 1,842,211,896.96 and 451,847,632.64 is: 678,038,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,657,079.04 : 1,842,211,896.96 = 451,847,632.64 : x
  2. Step 2: Convert to fraction form
    1,227,657,079.04/1,842,211,896.96 = 451,847,632.64/x
  3. Step 3: Cross multiply
    1,227,657,079.04x = 1,842,211,896.96 × 451,847,632.64
  4. Step 4: Simplify right side
    1,227,657,079.04x = 832,399,084,462,619,648
  5. Step 5: Solve for x
    x = 832,399,084,462,619,648/1,227,657,079.04
  6. Step 6: Final answer
    x = 678,038,760.72

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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.