Home / 528,058,995.40-792,088,493.10-482,672,038.60

Finding the Fourth Proportional to 528,058,995.40, 792,088,493.10 and 482,672,038.60

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Solution

The fourth proportional to 528,058,995.40, 792,088,493.10 and 482,672,038.60 is: 724,008,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,058,995.40 : 792,088,493.10 = 482,672,038.60 : x
  2. Step 2: Convert to fraction form
    528,058,995.40/792,088,493.10 = 482,672,038.60/x
  3. Step 3: Cross multiply
    528,058,995.40x = 792,088,493.10 × 482,672,038.60
  4. Step 4: Simplify right side
    528,058,995.40x = 382,318,967,716,179,072
  5. Step 5: Solve for x
    x = 382,318,967,716,179,072/528,058,995.40
  6. Step 6: Final answer
    x = 724,008,057.90

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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.