Home / 28,143,960,530.32-42,223,086,431.59-13,028,427,303.40

Finding the Fourth Proportional to 28,143,960,530.32, 42,223,086,431.59 and 13,028,427,303.40

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Solution

The fourth proportional to 28,143,960,530.32, 42,223,086,431.59 and 13,028,427,303.40 is: 19,545,948,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,143,960,530.32 : 42,223,086,431.59 = 13,028,427,303.40 : x
  2. Step 2: Convert to fraction form
    28,143,960,530.32/42,223,086,431.59 = 13,028,427,303.40/x
  3. Step 3: Cross multiply
    28,143,960,530.32x = 42,223,086,431.59 × 13,028,427,303.40
  4. Step 4: Simplify right side
    28,143,960,530.32x = 550,100,412,099,145,170,944
  5. Step 5: Solve for x
    x = 550,100,412,099,145,170,944/28,143,960,530.32
  6. Step 6: Final answer
    x = 19,545,948,819.34

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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.