Home / 293,394,008.40-440,374,447.80-178,602,752.40

Finding the Fourth Proportional to 293,394,008.40, 440,374,447.80 and 178,602,752.40

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Solution

The fourth proportional to 293,394,008.40, 440,374,447.80 and 178,602,752.40 is: 268,076,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,394,008.40 : 440,374,447.80 = 178,602,752.40 : x
  2. Step 2: Convert to fraction form
    293,394,008.40/440,374,447.80 = 178,602,752.40/x
  3. Step 3: Cross multiply
    293,394,008.40x = 440,374,447.80 × 178,602,752.40
  4. Step 4: Simplify right side
    293,394,008.40x = 78,652,088,463,710,128
  5. Step 5: Solve for x
    x = 78,652,088,463,710,128/293,394,008.40
  6. Step 6: Final answer
    x = 268,076,668.96

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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.