Home / 751,731,697.50-1,037,377,014.12-421,699,750.62

Finding the Fourth Proportional to 751,731,697.50, 1,037,377,014.12 and 421,699,750.62

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Solution

The fourth proportional to 751,731,697.50, 1,037,377,014.12 and 421,699,750.62 is: 581,938,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,731,697.50 : 1,037,377,014.12 = 421,699,750.62 : x
  2. Step 2: Convert to fraction form
    751,731,697.50/1,037,377,014.12 = 421,699,750.62/x
  3. Step 3: Cross multiply
    751,731,697.50x = 1,037,377,014.12 × 421,699,750.62
  4. Step 4: Simplify right side
    751,731,697.50x = 437,461,628,153,324,224
  5. Step 5: Solve for x
    x = 437,461,628,153,324,224/751,731,697.50
  6. Step 6: Final answer
    x = 581,938,515.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.