Home / 1,425,952,017.24-2,137,418,399.62-479,649,240

Finding the Fourth Proportional to 1,425,952,017.24, 2,137,418,399.62 and 479,649,240

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Solution

The fourth proportional to 1,425,952,017.24, 2,137,418,399.62 and 479,649,240 is: 718,966,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,952,017.24 : 2,137,418,399.62 = 479,649,240 : x
  2. Step 2: Convert to fraction form
    1,425,952,017.24/2,137,418,399.62 = 479,649,240/x
  3. Step 3: Cross multiply
    1,425,952,017.24x = 2,137,418,399.62 × 479,649,240
  4. Step 4: Simplify right side
    1,425,952,017.24x = 1,025,211,110,939,749,248
  5. Step 5: Solve for x
    x = 1,025,211,110,939,749,248/1,425,952,017.24
  6. Step 6: Final answer
    x = 718,966,065.16

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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.