Home / 841,426,013.52-1,262,274,633.72-259,160,066.64

Finding the Fourth Proportional to 841,426,013.52, 1,262,274,633.72 and 259,160,066.64

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Solution

The fourth proportional to 841,426,013.52, 1,262,274,633.72 and 259,160,066.64 is: 388,781,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,426,013.52 : 1,262,274,633.72 = 259,160,066.64 : x
  2. Step 2: Convert to fraction form
    841,426,013.52/1,262,274,633.72 = 259,160,066.64/x
  3. Step 3: Cross multiply
    841,426,013.52x = 1,262,274,633.72 × 259,160,066.64
  4. Step 4: Simplify right side
    841,426,013.52x = 327,131,178,192,856,768
  5. Step 5: Solve for x
    x = 327,131,178,192,856,768/841,426,013.52
  6. Step 6: Final answer
    x = 388,781,869.04

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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.