Home / 922,753,013.40-1,384,129,520.10-890,504,386.20

Finding the Fourth Proportional to 922,753,013.40, 1,384,129,520.10 and 890,504,386.20

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Solution

The fourth proportional to 922,753,013.40, 1,384,129,520.10 and 890,504,386.20 is: 1,335,756,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,753,013.40 : 1,384,129,520.10 = 890,504,386.20 : x
  2. Step 2: Convert to fraction form
    922,753,013.40/1,384,129,520.10 = 890,504,386.20/x
  3. Step 3: Cross multiply
    922,753,013.40x = 1,384,129,520.10 × 890,504,386.20
  4. Step 4: Simplify right side
    922,753,013.40x = 1,232,573,408,717,950,976
  5. Step 5: Solve for x
    x = 1,232,573,408,717,950,976/922,753,013.40
  6. Step 6: Final answer
    x = 1,335,756,579.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.