Home / 528,118,765.30-792,174,211.35-159,653,005.30

Finding the Fourth Proportional to 528,118,765.30, 792,174,211.35 and 159,653,005.30

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Solution

The fourth proportional to 528,118,765.30, 792,174,211.35 and 159,653,005.30 is: 239,478,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,118,765.30 : 792,174,211.35 = 159,653,005.30 : x
  2. Step 2: Convert to fraction form
    528,118,765.30/792,174,211.35 = 159,653,005.30/x
  3. Step 3: Cross multiply
    528,118,765.30x = 792,174,211.35 × 159,653,005.30
  4. Step 4: Simplify right side
    528,118,765.30x = 126,472,993,563,184,880
  5. Step 5: Solve for x
    x = 126,472,993,563,184,880/528,118,765.30
  6. Step 6: Final answer
    x = 239,478,317.90

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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.