Home / 20,942,036,465.60-31,413,054,698.40-19,652,091,377.60

Finding the Fourth Proportional to 20,942,036,465.60, 31,413,054,698.40 and 19,652,091,377.60

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Solution

The fourth proportional to 20,942,036,465.60, 31,413,054,698.40 and 19,652,091,377.60 is: 29,478,137,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,942,036,465.60 : 31,413,054,698.40 = 19,652,091,377.60 : x
  2. Step 2: Convert to fraction form
    20,942,036,465.60/31,413,054,698.40 = 19,652,091,377.60/x
  3. Step 3: Cross multiply
    20,942,036,465.60x = 31,413,054,698.40 × 19,652,091,377.60
  4. Step 4: Simplify right side
    20,942,036,465.60x = 617,332,221,382,503,825,408
  5. Step 5: Solve for x
    x = 617,332,221,382,503,825,408/20,942,036,465.60
  6. Step 6: Final answer
    x = 29,478,137,066.40

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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.