Home / 1,303,877,543.40-1,955,144,468.70-485,568,628.20

Finding the Fourth Proportional to 1,303,877,543.40, 1,955,144,468.70 and 485,568,628.20

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Solution

The fourth proportional to 1,303,877,543.40, 1,955,144,468.70 and 485,568,628.20 is: 728,102,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,877,543.40 : 1,955,144,468.70 = 485,568,628.20 : x
  2. Step 2: Convert to fraction form
    1,303,877,543.40/1,955,144,468.70 = 485,568,628.20/x
  3. Step 3: Cross multiply
    1,303,877,543.40x = 1,955,144,468.70 × 485,568,628.20
  4. Step 4: Simplify right side
    1,303,877,543.40x = 949,356,817,599,476,864
  5. Step 5: Solve for x
    x = 949,356,817,599,476,864/1,303,877,543.40
  6. Step 6: Final answer
    x = 728,102,744.31

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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.