Home / 538,822,316.34-743,574,861.09-291,303,604.98

Finding the Fourth Proportional to 538,822,316.34, 743,574,861.09 and 291,303,604.98

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Solution

The fourth proportional to 538,822,316.34, 743,574,861.09 and 291,303,604.98 is: 401,999,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,822,316.34 : 743,574,861.09 = 291,303,604.98 : x
  2. Step 2: Convert to fraction form
    538,822,316.34/743,574,861.09 = 291,303,604.98/x
  3. Step 3: Cross multiply
    538,822,316.34x = 743,574,861.09 × 291,303,604.98
  4. Step 4: Simplify right side
    538,822,316.34x = 216,606,037,608,019,744
  5. Step 5: Solve for x
    x = 216,606,037,608,019,744/538,822,316.34
  6. Step 6: Final answer
    x = 401,999,009.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.