Home / 353,158,335.06-487,354,634.73-194,385,063.35

Finding the Fourth Proportional to 353,158,335.06, 487,354,634.73 and 194,385,063.35

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Solution

The fourth proportional to 353,158,335.06, 487,354,634.73 and 194,385,063.35 is: 268,249,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,158,335.06 : 487,354,634.73 = 194,385,063.35 : x
  2. Step 2: Convert to fraction form
    353,158,335.06/487,354,634.73 = 194,385,063.35/x
  3. Step 3: Cross multiply
    353,158,335.06x = 487,354,634.73 × 194,385,063.35
  4. Step 4: Simplify right side
    353,158,335.06x = 94,734,461,543,470,384
  5. Step 5: Solve for x
    x = 94,734,461,543,470,384/353,158,335.06
  6. Step 6: Final answer
    x = 268,249,258.59

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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.