Home / 1,952,012,001.20-2,928,018,001.80-659,528,826.80

Finding the Fourth Proportional to 1,952,012,001.20, 2,928,018,001.80 and 659,528,826.80

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Solution

The fourth proportional to 1,952,012,001.20, 2,928,018,001.80 and 659,528,826.80 is: 989,293,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952,012,001.20 : 2,928,018,001.80 = 659,528,826.80 : x
  2. Step 2: Convert to fraction form
    1,952,012,001.20/2,928,018,001.80 = 659,528,826.80/x
  3. Step 3: Cross multiply
    1,952,012,001.20x = 2,928,018,001.80 × 659,528,826.80
  4. Step 4: Simplify right side
    1,952,012,001.20x = 1,931,112,277,576,434,176
  5. Step 5: Solve for x
    x = 1,931,112,277,576,434,176/1,952,012,001.20
  6. Step 6: Final answer
    x = 989,293,240.20

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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.