Home / 1,573,528,857.68-2,171,412,943.60-868,665,734.20

Finding the Fourth Proportional to 1,573,528,857.68, 2,171,412,943.60 and 868,665,734.20

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Solution

The fourth proportional to 1,573,528,857.68, 2,171,412,943.60 and 868,665,734.20 is: 1,198,727,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,528,857.68 : 2,171,412,943.60 = 868,665,734.20 : x
  2. Step 2: Convert to fraction form
    1,573,528,857.68/2,171,412,943.60 = 868,665,734.20/x
  3. Step 3: Cross multiply
    1,573,528,857.68x = 2,171,412,943.60 × 868,665,734.20
  4. Step 4: Simplify right side
    1,573,528,857.68x = 1,886,232,018,903,677,184
  5. Step 5: Solve for x
    x = 1,886,232,018,903,677,184/1,573,528,857.68
  6. Step 6: Final answer
    x = 1,198,727,312.62

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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.