Home / 291,025,639.85-435,900,730.58-258,714,027.05

Finding the Fourth Proportional to 291,025,639.85, 435,900,730.58 and 258,714,027.05

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Solution

The fourth proportional to 291,025,639.85, 435,900,730.58 and 258,714,027.05 is: 387,504,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,025,639.85 : 435,900,730.58 = 258,714,027.05 : x
  2. Step 2: Convert to fraction form
    291,025,639.85/435,900,730.58 = 258,714,027.05/x
  3. Step 3: Cross multiply
    291,025,639.85x = 435,900,730.58 × 258,714,027.05
  4. Step 4: Simplify right side
    291,025,639.85x = 112,773,633,401,095,312
  5. Step 5: Solve for x
    x = 112,773,633,401,095,312/291,025,639.85
  6. Step 6: Final answer
    x = 387,504,116.34

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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.