Home / 293,860,870.80-440,287,421.40-191,572,256.40

Finding the Fourth Proportional to 293,860,870.80, 440,287,421.40 and 191,572,256.40

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Solution

The fourth proportional to 293,860,870.80, 440,287,421.40 and 191,572,256.40 is: 287,029,894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,860,870.80 : 440,287,421.40 = 191,572,256.40 : x
  2. Step 2: Convert to fraction form
    293,860,870.80/440,287,421.40 = 191,572,256.40/x
  3. Step 3: Cross multiply
    293,860,870.80x = 440,287,421.40 × 191,572,256.40
  4. Step 4: Simplify right side
    293,860,870.80x = 84,346,854,782,135,648
  5. Step 5: Solve for x
    x = 84,346,854,782,135,648/293,860,870.80
  6. Step 6: Final answer
    x = 287,029,894.63

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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.