Home / 438,140,482.94-656,242,011.89-299,637,858.62

Finding the Fourth Proportional to 438,140,482.94, 656,242,011.89 and 299,637,858.62

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Solution

The fourth proportional to 438,140,482.94, 656,242,011.89 and 299,637,858.62 is: 448,794,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,140,482.94 : 656,242,011.89 = 299,637,858.62 : x
  2. Step 2: Convert to fraction form
    438,140,482.94/656,242,011.89 = 299,637,858.62/x
  3. Step 3: Cross multiply
    438,140,482.94x = 656,242,011.89 × 299,637,858.62
  4. Step 4: Simplify right side
    438,140,482.94x = 196,634,951,179,200,192
  5. Step 5: Solve for x
    x = 196,634,951,179,200,192/438,140,482.94
  6. Step 6: Final answer
    x = 448,794,299.63

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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.