Home / 458,008,048.60-687,012,072.90-458,008,048.60

Finding the Fourth Proportional to 458,008,048.60, 687,012,072.90 and 458,008,048.60

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Solution

The fourth proportional to 458,008,048.60, 687,012,072.90 and 458,008,048.60 is: 687,012,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,008,048.60 : 687,012,072.90 = 458,008,048.60 : x
  2. Step 2: Convert to fraction form
    458,008,048.60/687,012,072.90 = 458,008,048.60/x
  3. Step 3: Cross multiply
    458,008,048.60x = 687,012,072.90 × 458,008,048.60
  4. Step 4: Simplify right side
    458,008,048.60x = 314,657,058,873,569,920
  5. Step 5: Solve for x
    x = 314,657,058,873,569,920/458,008,048.60
  6. Step 6: Final answer
    x = 687,012,072.90

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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.