Home / 12,172,032,808.30-18,258,049,212.45-11,349,692,814.70

Finding the Fourth Proportional to 12,172,032,808.30, 18,258,049,212.45 and 11,349,692,814.70

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Solution

The fourth proportional to 12,172,032,808.30, 18,258,049,212.45 and 11,349,692,814.70 is: 17,024,539,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,032,808.30 : 18,258,049,212.45 = 11,349,692,814.70 : x
  2. Step 2: Convert to fraction form
    12,172,032,808.30/18,258,049,212.45 = 11,349,692,814.70/x
  3. Step 3: Cross multiply
    12,172,032,808.30x = 18,258,049,212.45 × 11,349,692,814.70
  4. Step 4: Simplify right side
    12,172,032,808.30x = 207,223,249,956,982,784,000
  5. Step 5: Solve for x
    x = 207,223,249,956,982,784,000/12,172,032,808.30
  6. Step 6: Final answer
    x = 17,024,539,222.05

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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.