Home / 1,328,487,039.06-1,991,959,606.89-628,973,302.74

Finding the Fourth Proportional to 1,328,487,039.06, 1,991,959,606.89 and 628,973,302.74

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Solution

The fourth proportional to 1,328,487,039.06, 1,991,959,606.89 and 628,973,302.74 is: 943,094,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,487,039.06 : 1,991,959,606.89 = 628,973,302.74 : x
  2. Step 2: Convert to fraction form
    1,328,487,039.06/1,991,959,606.89 = 628,973,302.74/x
  3. Step 3: Cross multiply
    1,328,487,039.06x = 1,991,959,606.89 × 628,973,302.74
  4. Step 4: Simplify right side
    1,328,487,039.06x = 1,252,889,412,870,275,328
  5. Step 5: Solve for x
    x = 1,252,889,412,870,275,328/1,328,487,039.06
  6. Step 6: Final answer
    x = 943,094,946.38

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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.