Home / 538,755,589,509.95-808,135,480,891.05-130,341,307,576.91

Finding the Fourth Proportional to 538,755,589,509.95, 808,135,480,891.05 and 130,341,307,576.91

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Solution

The fourth proportional to 538,755,589,509.95, 808,135,480,891.05 and 130,341,307,576.91 is: 195,512,468,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,755,589,509.95 : 808,135,480,891.05 = 130,341,307,576.91 : x
  2. Step 2: Convert to fraction form
    538,755,589,509.95/808,135,480,891.05 = 130,341,307,576.91/x
  3. Step 3: Cross multiply
    538,755,589,509.95x = 808,135,480,891.05 × 130,341,307,576.91
  4. Step 4: Simplify right side
    538,755,589,509.95x = 105,333,435,278,634,426,302,464
  5. Step 5: Solve for x
    x = 105,333,435,278,634,426,302,464/538,755,589,509.95
  6. Step 6: Final answer
    x = 195,512,468,602.78

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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.