Home / 1,939,689,336.40-2,909,534,004.60-559,548,869.20

Finding the Fourth Proportional to 1,939,689,336.40, 2,909,534,004.60 and 559,548,869.20

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Solution

The fourth proportional to 1,939,689,336.40, 2,909,534,004.60 and 559,548,869.20 is: 839,323,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,689,336.40 : 2,909,534,004.60 = 559,548,869.20 : x
  2. Step 2: Convert to fraction form
    1,939,689,336.40/2,909,534,004.60 = 559,548,869.20/x
  3. Step 3: Cross multiply
    1,939,689,336.40x = 2,909,534,004.60 × 559,548,869.20
  4. Step 4: Simplify right side
    1,939,689,336.40x = 1,628,026,462,172,877,568
  5. Step 5: Solve for x
    x = 1,628,026,462,172,877,568/1,939,689,336.40
  6. Step 6: Final answer
    x = 839,323,303.80

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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.