Home / 873,679,346.40-1,310,519,019.60-414,514,322.40

Finding the Fourth Proportional to 873,679,346.40, 1,310,519,019.60 and 414,514,322.40

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Solution

The fourth proportional to 873,679,346.40, 1,310,519,019.60 and 414,514,322.40 is: 621,771,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,679,346.40 : 1,310,519,019.60 = 414,514,322.40 : x
  2. Step 2: Convert to fraction form
    873,679,346.40/1,310,519,019.60 = 414,514,322.40/x
  3. Step 3: Cross multiply
    873,679,346.40x = 1,310,519,019.60 × 414,514,322.40
  4. Step 4: Simplify right side
    873,679,346.40x = 543,228,903,401,806,272
  5. Step 5: Solve for x
    x = 543,228,903,401,806,272/873,679,346.40
  6. Step 6: Final answer
    x = 621,771,483.60

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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.