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Finding the Fourth Proportional to 442,854,008.05, 664,281,012.08 and 442,854,008.05

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Solution

The fourth proportional to 442,854,008.05, 664,281,012.08 and 442,854,008.05 is: 664,281,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,854,008.05 : 664,281,012.08 = 442,854,008.05 : x
  2. Step 2: Convert to fraction form
    442,854,008.05/664,281,012.08 = 442,854,008.05/x
  3. Step 3: Cross multiply
    442,854,008.05x = 664,281,012.08 × 442,854,008.05
  4. Step 4: Simplify right side
    442,854,008.05x = 294,179,508,671,138,496
  5. Step 5: Solve for x
    x = 294,179,508,671,138,496/442,854,008.05
  6. Step 6: Final answer
    x = 664,281,012.08

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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.