Home / 891,820,853.40-1,337,903,553.39-339,080,304.93

Finding the Fourth Proportional to 891,820,853.40, 1,337,903,553.39 and 339,080,304.93

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Solution

The fourth proportional to 891,820,853.40, 1,337,903,553.39 and 339,080,304.93 is: 508,685,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,820,853.40 : 1,337,903,553.39 = 339,080,304.93 : x
  2. Step 2: Convert to fraction form
    891,820,853.40/1,337,903,553.39 = 339,080,304.93/x
  3. Step 3: Cross multiply
    891,820,853.40x = 1,337,903,553.39 × 339,080,304.93
  4. Step 4: Simplify right side
    891,820,853.40x = 453,656,744,850,411,776
  5. Step 5: Solve for x
    x = 453,656,744,850,411,776/891,820,853.40
  6. Step 6: Final answer
    x = 508,685,957.63

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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.