Home / 814,293,998,709.90-1,123,776,752,259.80-448,488,129,258.45

Finding the Fourth Proportional to 814,293,998,709.90, 1,123,776,752,259.80 and 448,488,129,258.45

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Solution

The fourth proportional to 814,293,998,709.90, 1,123,776,752,259.80 and 448,488,129,258.45 is: 618,941,726,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,293,998,709.90 : 1,123,776,752,259.80 = 448,488,129,258.45 : x
  2. Step 2: Convert to fraction form
    814,293,998,709.90/1,123,776,752,259.80 = 448,488,129,258.45/x
  3. Step 3: Cross multiply
    814,293,998,709.90x = 1,123,776,752,259.80 × 448,488,129,258.45
  4. Step 4: Simplify right side
    814,293,998,709.90x = 504,000,533,325,134,388,264,960
  5. Step 5: Solve for x
    x = 504,000,533,325,134,388,264,960/814,293,998,709.90
  6. Step 6: Final answer
    x = 618,941,726,358.82

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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.