Home / 947,438,779.83-1,307,377,773.16-524,043,328.83

Finding the Fourth Proportional to 947,438,779.83, 1,307,377,773.16 and 524,043,328.83

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Solution

The fourth proportional to 947,438,779.83, 1,307,377,773.16 and 524,043,328.83 is: 723,131,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,438,779.83 : 1,307,377,773.16 = 524,043,328.83 : x
  2. Step 2: Convert to fraction form
    947,438,779.83/1,307,377,773.16 = 524,043,328.83/x
  3. Step 3: Cross multiply
    947,438,779.83x = 1,307,377,773.16 × 524,043,328.83
  4. Step 4: Simplify right side
    947,438,779.83x = 685,122,600,285,119,104
  5. Step 5: Solve for x
    x = 685,122,600,285,119,104/947,438,779.83
  6. Step 6: Final answer
    x = 723,131,261.75

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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.