Home / 917,633,111.80-1,376,258,378.10-335,641,502.20

Finding the Fourth Proportional to 917,633,111.80, 1,376,258,378.10 and 335,641,502.20

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Solution

The fourth proportional to 917,633,111.80, 1,376,258,378.10 and 335,641,502.20 is: 503,392,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,633,111.80 : 1,376,258,378.10 = 335,641,502.20 : x
  2. Step 2: Convert to fraction form
    917,633,111.80/1,376,258,378.10 = 335,641,502.20/x
  3. Step 3: Cross multiply
    917,633,111.80x = 1,376,258,378.10 × 335,641,502.20
  4. Step 4: Simplify right side
    917,633,111.80x = 461,929,429,440,819,520
  5. Step 5: Solve for x
    x = 461,929,429,440,819,520/917,633,111.80
  6. Step 6: Final answer
    x = 503,392,285.55

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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.