Home / 1,124,148,483.20-1,551,291,588.48-622,379,630

Finding the Fourth Proportional to 1,124,148,483.20, 1,551,291,588.48 and 622,379,630

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Solution

The fourth proportional to 1,124,148,483.20, 1,551,291,588.48 and 622,379,630 is: 858,865,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,148,483.20 : 1,551,291,588.48 = 622,379,630 : x
  2. Step 2: Convert to fraction form
    1,124,148,483.20/1,551,291,588.48 = 622,379,630/x
  3. Step 3: Cross multiply
    1,124,148,483.20x = 1,551,291,588.48 × 622,379,630
  4. Step 4: Simplify right side
    1,124,148,483.20x = 965,492,284,860,294,656
  5. Step 5: Solve for x
    x = 965,492,284,860,294,656/1,124,148,483.20
  6. Step 6: Final answer
    x = 858,865,442.86

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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.