Home / 293,860,867.80-440,287,416.90-191,572,253.40

Finding the Fourth Proportional to 293,860,867.80, 440,287,416.90 and 191,572,253.40

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Solution

The fourth proportional to 293,860,867.80, 440,287,416.90 and 191,572,253.40 is: 287,029,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,860,867.80 : 440,287,416.90 = 191,572,253.40 : x
  2. Step 2: Convert to fraction form
    293,860,867.80/440,287,416.90 = 191,572,253.40/x
  3. Step 3: Cross multiply
    293,860,867.80x = 440,287,416.90 × 191,572,253.40
  4. Step 4: Simplify right side
    293,860,867.80x = 84,346,852,599,198,240
  5. Step 5: Solve for x
    x = 84,346,852,599,198,240/293,860,867.80
  6. Step 6: Final answer
    x = 287,029,890.13

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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.