Home / 540,055,504.40-810,083,256.60-517,380,688.40

Finding the Fourth Proportional to 540,055,504.40, 810,083,256.60 and 517,380,688.40

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Solution

The fourth proportional to 540,055,504.40, 810,083,256.60 and 517,380,688.40 is: 776,071,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,055,504.40 : 810,083,256.60 = 517,380,688.40 : x
  2. Step 2: Convert to fraction form
    540,055,504.40/810,083,256.60 = 517,380,688.40/x
  3. Step 3: Cross multiply
    540,055,504.40x = 810,083,256.60 × 517,380,688.40
  4. Step 4: Simplify right side
    540,055,504.40x = 419,121,432,961,021,824
  5. Step 5: Solve for x
    x = 419,121,432,961,021,824/540,055,504.40
  6. Step 6: Final answer
    x = 776,071,032.60

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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.