Home / 816,679,737.60-1,225,915,401.60-510,317,779.20

Finding the Fourth Proportional to 816,679,737.60, 1,225,915,401.60 and 510,317,779.20

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Solution

The fourth proportional to 816,679,737.60, 1,225,915,401.60 and 510,317,779.20 is: 766,036,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,679,737.60 : 1,225,915,401.60 = 510,317,779.20 : x
  2. Step 2: Convert to fraction form
    816,679,737.60/1,225,915,401.60 = 510,317,779.20/x
  3. Step 3: Cross multiply
    816,679,737.60x = 1,225,915,401.60 × 510,317,779.20
  4. Step 4: Simplify right side
    816,679,737.60x = 625,606,425,231,588,096
  5. Step 5: Solve for x
    x = 625,606,425,231,588,096/816,679,737.60
  6. Step 6: Final answer
    x = 766,036,423.37

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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.