Home / 12,872,709,443.60-19,309,064,165.40-11,127,882,352.40

Finding the Fourth Proportional to 12,872,709,443.60, 19,309,064,165.40 and 11,127,882,352.40

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Solution

The fourth proportional to 12,872,709,443.60, 19,309,064,165.40 and 11,127,882,352.40 is: 16,691,823,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,709,443.60 : 19,309,064,165.40 = 11,127,882,352.40 : x
  2. Step 2: Convert to fraction form
    12,872,709,443.60/19,309,064,165.40 = 11,127,882,352.40/x
  3. Step 3: Cross multiply
    12,872,709,443.60x = 19,309,064,165.40 × 11,127,882,352.40
  4. Step 4: Simplify right side
    12,872,709,443.60x = 214,868,994,367,513,919,488
  5. Step 5: Solve for x
    x = 214,868,994,367,513,919,488/12,872,709,443.60
  6. Step 6: Final answer
    x = 16,691,823,528.60

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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.