Home / 1,353,061,809.67-2,029,596,498.07-420,521,018.95

Finding the Fourth Proportional to 1,353,061,809.67, 2,029,596,498.07 and 420,521,018.95

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Solution

The fourth proportional to 1,353,061,809.67, 2,029,596,498.07 and 420,521,018.95 is: 630,782,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,061,809.67 : 2,029,596,498.07 = 420,521,018.95 : x
  2. Step 2: Convert to fraction form
    1,353,061,809.67/2,029,596,498.07 = 420,521,018.95/x
  3. Step 3: Cross multiply
    1,353,061,809.67x = 2,029,596,498.07 × 420,521,018.95
  4. Step 4: Simplify right side
    1,353,061,809.67x = 853,487,987,425,748,096
  5. Step 5: Solve for x
    x = 853,487,987,425,748,096/1,353,061,809.67
  6. Step 6: Final answer
    x = 630,782,704.33

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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.