Home / 399,358,818.90-599,102,598.08-123,009,904.56

Finding the Fourth Proportional to 399,358,818.90, 599,102,598.08 and 123,009,904.56

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Solution

The fourth proportional to 399,358,818.90, 599,102,598.08 and 123,009,904.56 is: 184,534,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,358,818.90 : 599,102,598.08 = 123,009,904.56 : x
  2. Step 2: Convert to fraction form
    399,358,818.90/599,102,598.08 = 123,009,904.56/x
  3. Step 3: Cross multiply
    399,358,818.90x = 599,102,598.08 × 123,009,904.56
  4. Step 4: Simplify right side
    399,358,818.90x = 73,695,553,409,971,088
  5. Step 5: Solve for x
    x = 73,695,553,409,971,088/399,358,818.90
  6. Step 6: Final answer
    x = 184,534,683.91

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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.