Home / 455,388,063,344.49-683,158,891,001.76-153,128,815,312.18

Finding the Fourth Proportional to 455,388,063,344.49, 683,158,891,001.76 and 153,128,815,312.18

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Solution

The fourth proportional to 455,388,063,344.49, 683,158,891,001.76 and 153,128,815,312.18 is: 229,719,046,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,388,063,344.49 : 683,158,891,001.76 = 153,128,815,312.18 : x
  2. Step 2: Convert to fraction form
    455,388,063,344.49/683,158,891,001.76 = 153,128,815,312.18/x
  3. Step 3: Cross multiply
    455,388,063,344.49x = 683,158,891,001.76 × 153,128,815,312.18
  4. Step 4: Simplify right side
    455,388,063,344.49x = 104,611,311,649,082,203,701,248
  5. Step 5: Solve for x
    x = 104,611,311,649,082,203,701,248/455,388,063,344.49
  6. Step 6: Final answer
    x = 229,719,046,390.43

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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.