Home / 1,611,900,004.80-2,413,818,928.80-1,289,413,732.80

Finding the Fourth Proportional to 1,611,900,004.80, 2,413,818,928.80 and 1,289,413,732.80

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Solution

The fourth proportional to 1,611,900,004.80, 2,413,818,928.80 and 1,289,413,732.80 is: 1,930,896,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,900,004.80 : 2,413,818,928.80 = 1,289,413,732.80 : x
  2. Step 2: Convert to fraction form
    1,611,900,004.80/2,413,818,928.80 = 1,289,413,732.80/x
  3. Step 3: Cross multiply
    1,611,900,004.80x = 2,413,818,928.80 × 1,289,413,732.80
  4. Step 4: Simplify right side
    1,611,900,004.80x = 3,112,411,275,287,305,728
  5. Step 5: Solve for x
    x = 3,112,411,275,287,305,728/1,611,900,004.80
  6. Step 6: Final answer
    x = 1,930,896,002.25

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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.