Home / 14,687,521,581.40-20,268,848,421.73-8,344,237,487.45

Finding the Fourth Proportional to 14,687,521,581.40, 20,268,848,421.73 and 8,344,237,487.45

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Solution

The fourth proportional to 14,687,521,581.40, 20,268,848,421.73 and 8,344,237,487.45 is: 11,515,086,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,521,581.40 : 20,268,848,421.73 = 8,344,237,487.45 : x
  2. Step 2: Convert to fraction form
    14,687,521,581.40/20,268,848,421.73 = 8,344,237,487.45/x
  3. Step 3: Cross multiply
    14,687,521,581.40x = 20,268,848,421.73 × 8,344,237,487.45
  4. Step 4: Simplify right side
    14,687,521,581.40x = 169,128,084,827,999,502,336
  5. Step 5: Solve for x
    x = 169,128,084,827,999,502,336/14,687,521,581.40
  6. Step 6: Final answer
    x = 11,515,086,727.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.