Home / 941,505,686.40-1,412,462,832.97-286,439,688.26

Finding the Fourth Proportional to 941,505,686.40, 1,412,462,832.97 and 286,439,688.26

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Solution

The fourth proportional to 941,505,686.40, 1,412,462,832.97 and 286,439,688.26 is: 429,721,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,505,686.40 : 1,412,462,832.97 = 286,439,688.26 : x
  2. Step 2: Convert to fraction form
    941,505,686.40/1,412,462,832.97 = 286,439,688.26/x
  3. Step 3: Cross multiply
    941,505,686.40x = 1,412,462,832.97 × 286,439,688.26
  4. Step 4: Simplify right side
    941,505,686.40x = 404,585,413,554,763,264
  5. Step 5: Solve for x
    x = 404,585,413,554,763,264/941,505,686.40
  6. Step 6: Final answer
    x = 429,721,688.78

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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.