Home / 19,218,459,899.80-28,827,689,849.70-15,090,635,618.20

Finding the Fourth Proportional to 19,218,459,899.80, 28,827,689,849.70 and 15,090,635,618.20

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Solution

The fourth proportional to 19,218,459,899.80, 28,827,689,849.70 and 15,090,635,618.20 is: 22,635,953,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,459,899.80 : 28,827,689,849.70 = 15,090,635,618.20 : x
  2. Step 2: Convert to fraction form
    19,218,459,899.80/28,827,689,849.70 = 15,090,635,618.20/x
  3. Step 3: Cross multiply
    19,218,459,899.80x = 28,827,689,849.70 × 15,090,635,618.20
  4. Step 4: Simplify right side
    19,218,459,899.80x = 435,028,163,236,305,436,672
  5. Step 5: Solve for x
    x = 435,028,163,236,305,436,672/19,218,459,899.80
  6. Step 6: Final answer
    x = 22,635,953,427.30

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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.