Home / 612,355,633.35-918,530,820.18-169,697,041.76

Finding the Fourth Proportional to 612,355,633.35, 918,530,820.18 and 169,697,041.76

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Solution

The fourth proportional to 612,355,633.35, 918,530,820.18 and 169,697,041.76 is: 254,544,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,355,633.35 : 918,530,820.18 = 169,697,041.76 : x
  2. Step 2: Convert to fraction form
    612,355,633.35/918,530,820.18 = 169,697,041.76/x
  3. Step 3: Cross multiply
    612,355,633.35x = 918,530,820.18 × 169,697,041.76
  4. Step 4: Simplify right side
    612,355,633.35x = 155,871,962,945,339,840
  5. Step 5: Solve for x
    x = 155,871,962,945,339,840/612,355,633.35
  6. Step 6: Final answer
    x = 254,544,833.85

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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.