Home / 15,142,154,715.72-22,692,929,459.64-11,784,779,789.52

Finding the Fourth Proportional to 15,142,154,715.72, 22,692,929,459.64 and 11,784,779,789.52

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Solution

The fourth proportional to 15,142,154,715.72, 22,692,929,459.64 and 11,784,779,789.52 is: 17,661,368,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142,154,715.72 : 22,692,929,459.64 = 11,784,779,789.52 : x
  2. Step 2: Convert to fraction form
    15,142,154,715.72/22,692,929,459.64 = 11,784,779,789.52/x
  3. Step 3: Cross multiply
    15,142,154,715.72x = 22,692,929,459.64 × 11,784,779,789.52
  4. Step 4: Simplify right side
    15,142,154,715.72x = 267,431,176,460,968,493,056
  5. Step 5: Solve for x
    x = 267,431,176,460,968,493,056/15,142,154,715.72
  6. Step 6: Final answer
    x = 17,661,368,641.50

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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.