Home / 641,232,618.80-884,902,729.08-347,877,186.80

Finding the Fourth Proportional to 641,232,618.80, 884,902,729.08 and 347,877,186.80

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Solution

The fourth proportional to 641,232,618.80, 884,902,729.08 and 347,877,186.80 is: 480,071,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,232,618.80 : 884,902,729.08 = 347,877,186.80 : x
  2. Step 2: Convert to fraction form
    641,232,618.80/884,902,729.08 = 347,877,186.80/x
  3. Step 3: Cross multiply
    641,232,618.80x = 884,902,729.08 × 347,877,186.80
  4. Step 4: Simplify right side
    641,232,618.80x = 307,837,471,983,992,960
  5. Step 5: Solve for x
    x = 307,837,471,983,992,960/641,232,618.80
  6. Step 6: Final answer
    x = 480,071,448.27

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