Home / 1,374,985,216.09-1,897,525,431.14-772,262,053.21

Finding the Fourth Proportional to 1,374,985,216.09, 1,897,525,431.14 and 772,262,053.21

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Solution

The fourth proportional to 1,374,985,216.09, 1,897,525,431.14 and 772,262,053.21 is: 1,065,747,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,985,216.09 : 1,897,525,431.14 = 772,262,053.21 : x
  2. Step 2: Convert to fraction form
    1,374,985,216.09/1,897,525,431.14 = 772,262,053.21/x
  3. Step 3: Cross multiply
    1,374,985,216.09x = 1,897,525,431.14 × 772,262,053.21
  4. Step 4: Simplify right side
    1,374,985,216.09x = 1,465,386,885,470,366,976
  5. Step 5: Solve for x
    x = 1,465,386,885,470,366,976/1,374,985,216.09
  6. Step 6: Final answer
    x = 1,065,747,375.55

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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.