Home / 15,353,712,005.20-23,030,568,007.80-12,564,284,484.40

Finding the Fourth Proportional to 15,353,712,005.20, 23,030,568,007.80 and 12,564,284,484.40

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Solution

The fourth proportional to 15,353,712,005.20, 23,030,568,007.80 and 12,564,284,484.40 is: 18,846,426,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353,712,005.20 : 23,030,568,007.80 = 12,564,284,484.40 : x
  2. Step 2: Convert to fraction form
    15,353,712,005.20/23,030,568,007.80 = 12,564,284,484.40/x
  3. Step 3: Cross multiply
    15,353,712,005.20x = 23,030,568,007.80 × 12,564,284,484.40
  4. Step 4: Simplify right side
    15,353,712,005.20x = 289,362,608,287,320,539,136
  5. Step 5: Solve for x
    x = 289,362,608,287,320,539,136/15,353,712,005.20
  6. Step 6: Final answer
    x = 18,846,426,726.60

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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.