Home / 1,443,579,914.20-1,991,798,805.76-817,048,342.22

Finding the Fourth Proportional to 1,443,579,914.20, 1,991,798,805.76 and 817,048,342.22

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Solution

The fourth proportional to 1,443,579,914.20, 1,991,798,805.76 and 817,048,342.22 is: 1,127,333,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,579,914.20 : 1,991,798,805.76 = 817,048,342.22 : x
  2. Step 2: Convert to fraction form
    1,443,579,914.20/1,991,798,805.76 = 817,048,342.22/x
  3. Step 3: Cross multiply
    1,443,579,914.20x = 1,991,798,805.76 × 817,048,342.22
  4. Step 4: Simplify right side
    1,443,579,914.20x = 1,627,395,912,285,791,232
  5. Step 5: Solve for x
    x = 1,627,395,912,285,791,232/1,443,579,914.20
  6. Step 6: Final answer
    x = 1,127,333,441.18

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1.5x scale

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.