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Finding the Fourth Proportional to 604,488,891.30, 906,798,135.33 and 167,791,426.98

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Solution

The fourth proportional to 604,488,891.30, 906,798,135.33 and 167,791,426.98 is: 251,705,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,488,891.30 : 906,798,135.33 = 167,791,426.98 : x
  2. Step 2: Convert to fraction form
    604,488,891.30/906,798,135.33 = 167,791,426.98/x
  3. Step 3: Cross multiply
    604,488,891.30x = 906,798,135.33 × 167,791,426.98
  4. Step 4: Simplify right side
    604,488,891.30x = 152,152,953,109,823,840
  5. Step 5: Solve for x
    x = 152,152,953,109,823,840/604,488,891.30
  6. Step 6: Final answer
    x = 251,705,126.93

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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.