Home / 476,766,971.80-715,150,457.70-412,143,746.20

Finding the Fourth Proportional to 476,766,971.80, 715,150,457.70 and 412,143,746.20

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Solution

The fourth proportional to 476,766,971.80, 715,150,457.70 and 412,143,746.20 is: 618,215,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,766,971.80 : 715,150,457.70 = 412,143,746.20 : x
  2. Step 2: Convert to fraction form
    476,766,971.80/715,150,457.70 = 412,143,746.20/x
  3. Step 3: Cross multiply
    476,766,971.80x = 715,150,457.70 × 412,143,746.20
  4. Step 4: Simplify right side
    476,766,971.80x = 294,744,788,733,122,624
  5. Step 5: Solve for x
    x = 294,744,788,733,122,624/476,766,971.80
  6. Step 6: Final answer
    x = 618,215,619.30

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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.