Home / 1,353,061,808.67-2,029,596,496.57-420,521,017.95

Finding the Fourth Proportional to 1,353,061,808.67, 2,029,596,496.57 and 420,521,017.95

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Solution

The fourth proportional to 1,353,061,808.67, 2,029,596,496.57 and 420,521,017.95 is: 630,782,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,061,808.67 : 2,029,596,496.57 = 420,521,017.95 : x
  2. Step 2: Convert to fraction form
    1,353,061,808.67/2,029,596,496.57 = 420,521,017.95/x
  3. Step 3: Cross multiply
    1,353,061,808.67x = 2,029,596,496.57 × 420,521,017.95
  4. Step 4: Simplify right side
    1,353,061,808.67x = 853,487,984,765,369,984
  5. Step 5: Solve for x
    x = 853,487,984,765,369,984/1,353,061,808.67
  6. Step 6: Final answer
    x = 630,782,702.83

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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.