Home / 889,237,741.64-1,227,155,288.58-492,767,353.67

Finding the Fourth Proportional to 889,237,741.64, 1,227,155,288.58 and 492,767,353.67

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Solution

The fourth proportional to 889,237,741.64, 1,227,155,288.58 and 492,767,353.67 is: 680,022,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,237,741.64 : 1,227,155,288.58 = 492,767,353.67 : x
  2. Step 2: Convert to fraction form
    889,237,741.64/1,227,155,288.58 = 492,767,353.67/x
  3. Step 3: Cross multiply
    889,237,741.64x = 1,227,155,288.58 × 492,767,353.67
  4. Step 4: Simplify right side
    889,237,741.64x = 604,702,064,089,575,936
  5. Step 5: Solve for x
    x = 604,702,064,089,575,936/889,237,741.64
  6. Step 6: Final answer
    x = 680,022,940.75

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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.