Home / 941,505,685.40-1,412,462,831.47-286,439,687.26

Finding the Fourth Proportional to 941,505,685.40, 1,412,462,831.47 and 286,439,687.26

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Solution

The fourth proportional to 941,505,685.40, 1,412,462,831.47 and 286,439,687.26 is: 429,721,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,505,685.40 : 1,412,462,831.47 = 286,439,687.26 : x
  2. Step 2: Convert to fraction form
    941,505,685.40/1,412,462,831.47 = 286,439,687.26/x
  3. Step 3: Cross multiply
    941,505,685.40x = 1,412,462,831.47 × 286,439,687.26
  4. Step 4: Simplify right side
    941,505,685.40x = 404,585,411,708,393,600
  5. Step 5: Solve for x
    x = 404,585,411,708,393,600/941,505,685.40
  6. Step 6: Final answer
    x = 429,721,687.27

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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.