Home / 521,112,044,148.82-781,220,384,809.47-181,107,048,347.62

Finding the Fourth Proportional to 521,112,044,148.82, 781,220,384,809.47 and 181,107,048,347.62

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Solution

The fourth proportional to 521,112,044,148.82, 781,220,384,809.47 and 181,107,048,347.62 is: 271,504,985,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,112,044,148.82 : 781,220,384,809.47 = 181,107,048,347.62 : x
  2. Step 2: Convert to fraction form
    521,112,044,148.82/781,220,384,809.47 = 181,107,048,347.62/x
  3. Step 3: Cross multiply
    521,112,044,148.82x = 781,220,384,809.47 × 181,107,048,347.62
  4. Step 4: Simplify right side
    521,112,044,148.82x = 141,484,518,001,834,977,132,544
  5. Step 5: Solve for x
    x = 141,484,518,001,834,977,132,544/521,112,044,148.82
  6. Step 6: Final answer
    x = 271,504,985,521.75

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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.