Home / 540,079,920.50-745,430,190.47-328,341,759.50

Finding the Fourth Proportional to 540,079,920.50, 745,430,190.47 and 328,341,759.50

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Solution

The fourth proportional to 540,079,920.50, 745,430,190.47 and 328,341,759.50 is: 453,184,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,079,920.50 : 745,430,190.47 = 328,341,759.50 : x
  2. Step 2: Convert to fraction form
    540,079,920.50/745,430,190.47 = 328,341,759.50/x
  3. Step 3: Cross multiply
    540,079,920.50x = 745,430,190.47 × 328,341,759.50
  4. Step 4: Simplify right side
    540,079,920.50x = 244,755,860,320,277,824
  5. Step 5: Solve for x
    x = 244,755,860,320,277,824/540,079,920.50
  6. Step 6: Final answer
    x = 453,184,521.46

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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.