Home / 1,318,313,014.92-1,977,136,486.02-488,810,771.28

Finding the Fourth Proportional to 1,318,313,014.92, 1,977,136,486.02 and 488,810,771.28

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Solution

The fourth proportional to 1,318,313,014.92, 1,977,136,486.02 and 488,810,771.28 is: 733,092,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,313,014.92 : 1,977,136,486.02 = 488,810,771.28 : x
  2. Step 2: Convert to fraction form
    1,318,313,014.92/1,977,136,486.02 = 488,810,771.28/x
  3. Step 3: Cross multiply
    1,318,313,014.92x = 1,977,136,486.02 × 488,810,771.28
  4. Step 4: Simplify right side
    1,318,313,014.92x = 966,445,610,657,265,024
  5. Step 5: Solve for x
    x = 966,445,610,657,265,024/1,318,313,014.92
  6. Step 6: Final answer
    x = 733,092,672.01

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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.