Home / 829,477,110.40-1,144,656,229.44-458,191,150.72

Finding the Fourth Proportional to 829,477,110.40, 1,144,656,229.44 and 458,191,150.72

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Solution

The fourth proportional to 829,477,110.40, 1,144,656,229.44 and 458,191,150.72 is: 632,291,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,477,110.40 : 1,144,656,229.44 = 458,191,150.72 : x
  2. Step 2: Convert to fraction form
    829,477,110.40/1,144,656,229.44 = 458,191,150.72/x
  3. Step 3: Cross multiply
    829,477,110.40x = 1,144,656,229.44 × 458,191,150.72
  4. Step 4: Simplify right side
    829,477,110.40x = 524,471,354,945,929,984
  5. Step 5: Solve for x
    x = 524,471,354,945,929,984/829,477,110.40
  6. Step 6: Final answer
    x = 632,291,534.47

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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.