Home / 199,304,043.20-298,956,064.80-197,416,606.40

Finding the Fourth Proportional to 199,304,043.20, 298,956,064.80 and 197,416,606.40

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Solution

The fourth proportional to 199,304,043.20, 298,956,064.80 and 197,416,606.40 is: 296,124,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,304,043.20 : 298,956,064.80 = 197,416,606.40 : x
  2. Step 2: Convert to fraction form
    199,304,043.20/298,956,064.80 = 197,416,606.40/x
  3. Step 3: Cross multiply
    199,304,043.20x = 298,956,064.80 × 197,416,606.40
  4. Step 4: Simplify right side
    199,304,043.20x = 59,018,891,775,514,496
  5. Step 5: Solve for x
    x = 59,018,891,775,514,496/199,304,043.20
  6. Step 6: Final answer
    x = 296,124,909.60

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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.