Home / 353,595,638.15-530,475,524.53-120,428,370.19

Finding the Fourth Proportional to 353,595,638.15, 530,475,524.53 and 120,428,370.19

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Solution

The fourth proportional to 353,595,638.15, 530,475,524.53 and 120,428,370.19 is: 180,670,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,595,638.15 : 530,475,524.53 = 120,428,370.19 : x
  2. Step 2: Convert to fraction form
    353,595,638.15/530,475,524.53 = 120,428,370.19/x
  3. Step 3: Cross multiply
    353,595,638.15x = 530,475,524.53 × 120,428,370.19
  4. Step 4: Simplify right side
    353,595,638.15x = 63,884,302,842,894,432
  5. Step 5: Solve for x
    x = 63,884,302,842,894,432/353,595,638.15
  6. Step 6: Final answer
    x = 180,670,505.94

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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.