Home / 922,753,019.40-1,384,129,529.10-890,504,392.20

Finding the Fourth Proportional to 922,753,019.40, 1,384,129,529.10 and 890,504,392.20

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Solution

The fourth proportional to 922,753,019.40, 1,384,129,529.10 and 890,504,392.20 is: 1,335,756,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,753,019.40 : 1,384,129,529.10 = 890,504,392.20 : x
  2. Step 2: Convert to fraction form
    922,753,019.40/1,384,129,529.10 = 890,504,392.20/x
  3. Step 3: Cross multiply
    922,753,019.40x = 1,384,129,529.10 × 890,504,392.20
  4. Step 4: Simplify right side
    922,753,019.40x = 1,232,573,425,037,267,712
  5. Step 5: Solve for x
    x = 1,232,573,425,037,267,712/922,753,019.40
  6. Step 6: Final answer
    x = 1,335,756,588.30

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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.