Home / 258,620,032,252.05-387,930,048,378.07-152,828,410,722.45

Finding the Fourth Proportional to 258,620,032,252.05, 387,930,048,378.07 and 152,828,410,722.45

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Solution

The fourth proportional to 258,620,032,252.05, 387,930,048,378.07 and 152,828,410,722.45 is: 229,242,616,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,620,032,252.05 : 387,930,048,378.07 = 152,828,410,722.45 : x
  2. Step 2: Convert to fraction form
    258,620,032,252.05/387,930,048,378.07 = 152,828,410,722.45/x
  3. Step 3: Cross multiply
    258,620,032,252.05x = 387,930,048,378.07 × 152,828,410,722.45
  4. Step 4: Simplify right side
    258,620,032,252.05x = 59,286,732,765,103,583,657,984
  5. Step 5: Solve for x
    x = 59,286,732,765,103,583,657,984/258,620,032,252.05
  6. Step 6: Final answer
    x = 229,242,616,083.67

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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.