Home / 287,984,204,582.72-397,418,064,096-172,240,962,210.08

Finding the Fourth Proportional to 287,984,204,582.72, 397,418,064,096 and 172,240,962,210.08

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Solution

The fourth proportional to 287,984,204,582.72, 397,418,064,096 and 172,240,962,210.08 is: 237,692,445,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,984,204,582.72 : 397,418,064,096 = 172,240,962,210.08 : x
  2. Step 2: Convert to fraction form
    287,984,204,582.72/397,418,064,096 = 172,240,962,210.08/x
  3. Step 3: Cross multiply
    287,984,204,582.72x = 397,418,064,096 × 172,240,962,210.08
  4. Step 4: Simplify right side
    287,984,204,582.72x = 68,451,669,759,562,283,483,136
  5. Step 5: Solve for x
    x = 68,451,669,759,562,283,483,136/287,984,204,582.72
  6. Step 6: Final answer
    x = 237,692,445,176.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.