Home / 521,112,044,146.32-781,220,384,805.72-181,107,048,345.12

Finding the Fourth Proportional to 521,112,044,146.32, 781,220,384,805.72 and 181,107,048,345.12

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Solution

The fourth proportional to 521,112,044,146.32, 781,220,384,805.72 and 181,107,048,345.12 is: 271,504,985,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,112,044,146.32 : 781,220,384,805.72 = 181,107,048,345.12 : x
  2. Step 2: Convert to fraction form
    521,112,044,146.32/781,220,384,805.72 = 181,107,048,345.12/x
  3. Step 3: Cross multiply
    521,112,044,146.32x = 781,220,384,805.72 × 181,107,048,345.12
  4. Step 4: Simplify right side
    521,112,044,146.32x = 141,484,517,999,202,766,159,872
  5. Step 5: Solve for x
    x = 141,484,517,999,202,766,159,872/521,112,044,146.32
  6. Step 6: Final answer
    x = 271,504,985,518.00

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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.