Home / 1,573,528,853.68-2,171,412,938.08-868,665,730.20

Finding the Fourth Proportional to 1,573,528,853.68, 2,171,412,938.08 and 868,665,730.20

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Solution

The fourth proportional to 1,573,528,853.68, 2,171,412,938.08 and 868,665,730.20 is: 1,198,727,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,528,853.68 : 2,171,412,938.08 = 868,665,730.20 : x
  2. Step 2: Convert to fraction form
    1,573,528,853.68/2,171,412,938.08 = 868,665,730.20/x
  3. Step 3: Cross multiply
    1,573,528,853.68x = 2,171,412,938.08 × 868,665,730.20
  4. Step 4: Simplify right side
    1,573,528,853.68x = 1,886,232,005,422,990,592
  5. Step 5: Solve for x
    x = 1,886,232,005,422,990,592/1,573,528,853.68
  6. Step 6: Final answer
    x = 1,198,727,307.10

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Double scale
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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.