Home / 1,374,985,215.09-1,897,525,429.76-772,262,052.21

Finding the Fourth Proportional to 1,374,985,215.09, 1,897,525,429.76 and 772,262,052.21

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Solution

The fourth proportional to 1,374,985,215.09, 1,897,525,429.76 and 772,262,052.21 is: 1,065,747,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,985,215.09 : 1,897,525,429.76 = 772,262,052.21 : x
  2. Step 2: Convert to fraction form
    1,374,985,215.09/1,897,525,429.76 = 772,262,052.21/x
  3. Step 3: Cross multiply
    1,374,985,215.09x = 1,897,525,429.76 × 772,262,052.21
  4. Step 4: Simplify right side
    1,374,985,215.09x = 1,465,386,882,503,258,624
  5. Step 5: Solve for x
    x = 1,465,386,882,503,258,624/1,374,985,215.09
  6. Step 6: Final answer
    x = 1,065,747,374.17

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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.