Home / 291,025,643.10-435,900,735.45-258,714,030.30

Finding the Fourth Proportional to 291,025,643.10, 435,900,735.45 and 258,714,030.30

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Solution

The fourth proportional to 291,025,643.10, 435,900,735.45 and 258,714,030.30 is: 387,504,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,025,643.10 : 435,900,735.45 = 258,714,030.30 : x
  2. Step 2: Convert to fraction form
    291,025,643.10/435,900,735.45 = 258,714,030.30/x
  3. Step 3: Cross multiply
    291,025,643.10x = 435,900,735.45 × 258,714,030.30
  4. Step 4: Simplify right side
    291,025,643.10x = 112,773,636,079,003,584
  5. Step 5: Solve for x
    x = 112,773,636,079,003,584/291,025,643.10
  6. Step 6: Final answer
    x = 387,504,121.21

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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.