Home / 572,319,023.40-858,541,520.70-208,892,111.40

Finding the Fourth Proportional to 572,319,023.40, 858,541,520.70 and 208,892,111.40

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Solution

The fourth proportional to 572,319,023.40, 858,541,520.70 and 208,892,111.40 is: 313,361,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,319,023.40 : 858,541,520.70 = 208,892,111.40 : x
  2. Step 2: Convert to fraction form
    572,319,023.40/858,541,520.70 = 208,892,111.40/x
  3. Step 3: Cross multiply
    572,319,023.40x = 858,541,520.70 × 208,892,111.40
  4. Step 4: Simplify right side
    572,319,023.40x = 179,342,550,983,589,824
  5. Step 5: Solve for x
    x = 179,342,550,983,589,824/572,319,023.40
  6. Step 6: Final answer
    x = 313,361,156.37

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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.