Home / 869,916,679.70-1,304,875,019.55-295,488,007.70

Finding the Fourth Proportional to 869,916,679.70, 1,304,875,019.55 and 295,488,007.70

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Solution

The fourth proportional to 869,916,679.70, 1,304,875,019.55 and 295,488,007.70 is: 443,232,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,916,679.70 : 1,304,875,019.55 = 295,488,007.70 : x
  2. Step 2: Convert to fraction form
    869,916,679.70/1,304,875,019.55 = 295,488,007.70/x
  3. Step 3: Cross multiply
    869,916,679.70x = 1,304,875,019.55 × 295,488,007.70
  4. Step 4: Simplify right side
    869,916,679.70x = 385,574,919,824,328,000
  5. Step 5: Solve for x
    x = 385,574,919,824,328,000/869,916,679.70
  6. Step 6: Final answer
    x = 443,232,011.55

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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.