Home / 611,711,999.40-917,567,999.10-544,825,957.80

Finding the Fourth Proportional to 611,711,999.40, 917,567,999.10 and 544,825,957.80

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Solution

The fourth proportional to 611,711,999.40, 917,567,999.10 and 544,825,957.80 is: 817,238,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,711,999.40 : 917,567,999.10 = 544,825,957.80 : x
  2. Step 2: Convert to fraction form
    611,711,999.40/917,567,999.10 = 544,825,957.80/x
  3. Step 3: Cross multiply
    611,711,999.40x = 917,567,999.10 × 544,825,957.80
  4. Step 4: Simplify right side
    611,711,999.40x = 499,914,863,956,286,976
  5. Step 5: Solve for x
    x = 499,914,863,956,286,976/611,711,999.40
  6. Step 6: Final answer
    x = 817,238,936.70

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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.