Home / 543,884,961.20-815,826,421.08-170,421,436.40

Finding the Fourth Proportional to 543,884,961.20, 815,826,421.08 and 170,421,436.40

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Solution

The fourth proportional to 543,884,961.20, 815,826,421.08 and 170,421,436.40 is: 255,631,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,884,961.20 : 815,826,421.08 = 170,421,436.40 : x
  2. Step 2: Convert to fraction form
    543,884,961.20/815,826,421.08 = 170,421,436.40/x
  3. Step 3: Cross multiply
    543,884,961.20x = 815,826,421.08 × 170,421,436.40
  4. Step 4: Simplify right side
    543,884,961.20x = 139,034,310,533,524,848
  5. Step 5: Solve for x
    x = 139,034,310,533,524,848/543,884,961.20
  6. Step 6: Final answer
    x = 255,631,834.77

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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.