Home / 1,488,374,743.70-2,053,983,267.54-810,211,195.82

Finding the Fourth Proportional to 1,488,374,743.70, 2,053,983,267.54 and 810,211,195.82

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Solution

The fourth proportional to 1,488,374,743.70, 2,053,983,267.54 and 810,211,195.82 is: 1,118,105,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,374,743.70 : 2,053,983,267.54 = 810,211,195.82 : x
  2. Step 2: Convert to fraction form
    1,488,374,743.70/2,053,983,267.54 = 810,211,195.82/x
  3. Step 3: Cross multiply
    1,488,374,743.70x = 2,053,983,267.54 × 810,211,195.82
  4. Step 4: Simplify right side
    1,488,374,743.70x = 1,664,160,239,387,854,592
  5. Step 5: Solve for x
    x = 1,664,160,239,387,854,592/1,488,374,743.70
  6. Step 6: Final answer
    x = 1,118,105,669.58

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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.