Home / 326,191,828.32-489,333,705.84-104,788,928.88

Finding the Fourth Proportional to 326,191,828.32, 489,333,705.84 and 104,788,928.88

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Solution

The fourth proportional to 326,191,828.32, 489,333,705.84 and 104,788,928.88 is: 157,198,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,191,828.32 : 489,333,705.84 = 104,788,928.88 : x
  2. Step 2: Convert to fraction form
    326,191,828.32/489,333,705.84 = 104,788,928.88/x
  3. Step 3: Cross multiply
    326,191,828.32x = 489,333,705.84 × 104,788,928.88
  4. Step 4: Simplify right side
    326,191,828.32x = 51,276,754,899,854,592
  5. Step 5: Solve for x
    x = 51,276,754,899,854,592/326,191,828.32
  6. Step 6: Final answer
    x = 157,198,159.02

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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.