Home / 20,676,676,515.16-31,024,036,058.79-7,240,603,913.74

Finding the Fourth Proportional to 20,676,676,515.16, 31,024,036,058.79 and 7,240,603,913.74

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Solution

The fourth proportional to 20,676,676,515.16, 31,024,036,058.79 and 7,240,603,913.74 is: 10,864,064,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,676,515.16 : 31,024,036,058.79 = 7,240,603,913.74 : x
  2. Step 2: Convert to fraction form
    20,676,676,515.16/31,024,036,058.79 = 7,240,603,913.74/x
  3. Step 3: Cross multiply
    20,676,676,515.16x = 31,024,036,058.79 × 7,240,603,913.74
  4. Step 4: Simplify right side
    20,676,676,515.16x = 224,632,756,907,285,774,336
  5. Step 5: Solve for x
    x = 224,632,756,907,285,774,336/20,676,676,515.16
  6. Step 6: Final answer
    x = 10,864,064,964.34

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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.