Home / 293,860,869.80-440,287,419.90-191,572,255.40

Finding the Fourth Proportional to 293,860,869.80, 440,287,419.90 and 191,572,255.40

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Solution

The fourth proportional to 293,860,869.80, 440,287,419.90 and 191,572,255.40 is: 287,029,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,860,869.80 : 440,287,419.90 = 191,572,255.40 : x
  2. Step 2: Convert to fraction form
    293,860,869.80/440,287,419.90 = 191,572,255.40/x
  3. Step 3: Cross multiply
    293,860,869.80x = 440,287,419.90 × 191,572,255.40
  4. Step 4: Simplify right side
    293,860,869.80x = 84,346,854,054,489,840
  5. Step 5: Solve for x
    x = 84,346,854,054,489,840/293,860,869.80
  6. Step 6: Final answer
    x = 287,029,893.13

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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.