Home / 1,029,300,628.80-1,543,950,943.20-620,146,171.20

Finding the Fourth Proportional to 1,029,300,628.80, 1,543,950,943.20 and 620,146,171.20

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Solution

The fourth proportional to 1,029,300,628.80, 1,543,950,943.20 and 620,146,171.20 is: 930,219,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,300,628.80 : 1,543,950,943.20 = 620,146,171.20 : x
  2. Step 2: Convert to fraction form
    1,029,300,628.80/1,543,950,943.20 = 620,146,171.20/x
  3. Step 3: Cross multiply
    1,029,300,628.80x = 1,543,950,943.20 × 620,146,171.20
  4. Step 4: Simplify right side
    1,029,300,628.80x = 957,475,265,946,108,800
  5. Step 5: Solve for x
    x = 957,475,265,946,108,800/1,029,300,628.80
  6. Step 6: Final answer
    x = 930,219,256.80

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1.5x scale

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.