Home / 280,180,256.30-419,136,643.65-246,168,032.30

Finding the Fourth Proportional to 280,180,256.30, 419,136,643.65 and 246,168,032.30

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Solution

The fourth proportional to 280,180,256.30, 419,136,643.65 and 246,168,032.30 is: 368,255,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,180,256.30 : 419,136,643.65 = 246,168,032.30 : x
  2. Step 2: Convert to fraction form
    280,180,256.30/419,136,643.65 = 246,168,032.30/x
  3. Step 3: Cross multiply
    280,180,256.30x = 419,136,643.65 × 246,168,032.30
  4. Step 4: Simplify right side
    280,180,256.30x = 103,178,042,832,146,784
  5. Step 5: Solve for x
    x = 103,178,042,832,146,784/280,180,256.30
  6. Step 6: Final answer
    x = 368,255,937.07

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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.