Home / 525,887,999.70-788,831,999.55-497,670,450.90

Finding the Fourth Proportional to 525,887,999.70, 788,831,999.55 and 497,670,450.90

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Solution

The fourth proportional to 525,887,999.70, 788,831,999.55 and 497,670,450.90 is: 746,505,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,887,999.70 : 788,831,999.55 = 497,670,450.90 : x
  2. Step 2: Convert to fraction form
    525,887,999.70/788,831,999.55 = 497,670,450.90/x
  3. Step 3: Cross multiply
    525,887,999.70x = 788,831,999.55 × 497,670,450.90
  4. Step 4: Simplify right side
    525,887,999.70x = 392,578,376,900,397,056
  5. Step 5: Solve for x
    x = 392,578,376,900,397,056/525,887,999.70
  6. Step 6: Final answer
    x = 746,505,676.35

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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.