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Finding the Fourth Proportional to 896,806,822.20, 1,345,210,233.30 and 550,637,964.60

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Solution

The fourth proportional to 896,806,822.20, 1,345,210,233.30 and 550,637,964.60 is: 825,956,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,806,822.20 : 1,345,210,233.30 = 550,637,964.60 : x
  2. Step 2: Convert to fraction form
    896,806,822.20/1,345,210,233.30 = 550,637,964.60/x
  3. Step 3: Cross multiply
    896,806,822.20x = 1,345,210,233.30 × 550,637,964.60
  4. Step 4: Simplify right side
    896,806,822.20x = 740,723,824,823,403,136
  5. Step 5: Solve for x
    x = 740,723,824,823,403,136/896,806,822.20
  6. Step 6: Final answer
    x = 825,956,946.90

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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.