Home / 957,720,353.90-1,321,653,503.79-517,687,205.90

Finding the Fourth Proportional to 957,720,353.90, 1,321,653,503.79 and 517,687,205.90

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Solution

The fourth proportional to 957,720,353.90, 1,321,653,503.79 and 517,687,205.90 is: 714,408,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,720,353.90 : 1,321,653,503.79 = 517,687,205.90 : x
  2. Step 2: Convert to fraction form
    957,720,353.90/1,321,653,503.79 = 517,687,205.90/x
  3. Step 3: Cross multiply
    957,720,353.90x = 1,321,653,503.79 × 517,687,205.90
  4. Step 4: Simplify right side
    957,720,353.90x = 684,203,109,538,381,824
  5. Step 5: Solve for x
    x = 684,203,109,538,381,824/957,720,353.90
  6. Step 6: Final answer
    x = 714,408,028.14

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Double scale
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1.5x scale

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.