Home / 368,412,316.76-508,453,579.30-209,681,034.98

Finding the Fourth Proportional to 368,412,316.76, 508,453,579.30 and 209,681,034.98

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Solution

The fourth proportional to 368,412,316.76, 508,453,579.30 and 209,681,034.98 is: 289,385,202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,412,316.76 : 508,453,579.30 = 209,681,034.98 : x
  2. Step 2: Convert to fraction form
    368,412,316.76/508,453,579.30 = 209,681,034.98/x
  3. Step 3: Cross multiply
    368,412,316.76x = 508,453,579.30 × 209,681,034.98
  4. Step 4: Simplify right side
    368,412,316.76x = 106,613,072,746,909,504
  5. Step 5: Solve for x
    x = 106,613,072,746,909,504/368,412,316.76
  6. Step 6: Final answer
    x = 289,385,202.11

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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.