Home / 298,971,077,517.41-448,457,779,754.64-72,330,165,895.15

Finding the Fourth Proportional to 298,971,077,517.41, 448,457,779,754.64 and 72,330,165,895.15

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Solution

The fourth proportional to 298,971,077,517.41, 448,457,779,754.64 and 72,330,165,895.15 is: 108,495,530,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,077,517.41 : 448,457,779,754.64 = 72,330,165,895.15 : x
  2. Step 2: Convert to fraction form
    298,971,077,517.41/448,457,779,754.64 = 72,330,165,895.15/x
  3. Step 3: Cross multiply
    298,971,077,517.41x = 448,457,779,754.64 × 72,330,165,895.15
  4. Step 4: Simplify right side
    298,971,077,517.41x = 32,437,025,606,623,750,520,832
  5. Step 5: Solve for x
    x = 32,437,025,606,623,750,520,832/298,971,077,517.41
  6. Step 6: Final answer
    x = 108,495,530,323.45

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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.