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Finding the Fourth Proportional to 832,859,881.20, 1,149,346,745 and 461,605,880.88

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Solution

The fourth proportional to 832,859,881.20, 1,149,346,745 and 461,605,880.88 is: 637,016,176.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,859,881.20 : 1,149,346,745 = 461,605,880.88 : x
  2. Step 2: Convert to fraction form
    832,859,881.20/1,149,346,745 = 461,605,880.88/x
  3. Step 3: Cross multiply
    832,859,881.20x = 1,149,346,745 × 461,605,880.88
  4. Step 4: Simplify right side
    832,859,881.20x = 530,545,216,662,285,760
  5. Step 5: Solve for x
    x = 530,545,216,662,285,760/832,859,881.20
  6. Step 6: Final answer
    x = 637,016,176.00

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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.