Home / 776,674,131.06-1,071,810,259.65-419,441,877.66

Finding the Fourth Proportional to 776,674,131.06, 1,071,810,259.65 and 419,441,877.66

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Solution

The fourth proportional to 776,674,131.06, 1,071,810,259.65 and 419,441,877.66 is: 578,829,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,674,131.06 : 1,071,810,259.65 = 419,441,877.66 : x
  2. Step 2: Convert to fraction form
    776,674,131.06/1,071,810,259.65 = 419,441,877.66/x
  3. Step 3: Cross multiply
    776,674,131.06x = 1,071,810,259.65 × 419,441,877.66
  4. Step 4: Simplify right side
    776,674,131.06x = 449,562,107,802,848,128
  5. Step 5: Solve for x
    x = 449,562,107,802,848,128/776,674,131.06
  6. Step 6: Final answer
    x = 578,829,768.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.