Home / 13,779,076,998.30-20,668,615,497.45-12,146,490,246.30

Finding the Fourth Proportional to 13,779,076,998.30, 20,668,615,497.45 and 12,146,490,246.30

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Solution

The fourth proportional to 13,779,076,998.30, 20,668,615,497.45 and 12,146,490,246.30 is: 18,219,735,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,076,998.30 : 20,668,615,497.45 = 12,146,490,246.30 : x
  2. Step 2: Convert to fraction form
    13,779,076,998.30/20,668,615,497.45 = 12,146,490,246.30/x
  3. Step 3: Cross multiply
    13,779,076,998.30x = 20,668,615,497.45 × 12,146,490,246.30
  4. Step 4: Simplify right side
    13,779,076,998.30x = 251,051,136,544,301,449,216
  5. Step 5: Solve for x
    x = 251,051,136,544,301,449,216/13,779,076,998.30
  6. Step 6: Final answer
    x = 18,219,735,369.45

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Double scale
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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.