Home / 1,353,061,823.06-2,029,596,518.12-420,521,032.32

Finding the Fourth Proportional to 1,353,061,823.06, 2,029,596,518.12 and 420,521,032.32

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Solution

The fourth proportional to 1,353,061,823.06, 2,029,596,518.12 and 420,521,032.32 is: 630,782,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,061,823.06 : 2,029,596,518.12 = 420,521,032.32 : x
  2. Step 2: Convert to fraction form
    1,353,061,823.06/2,029,596,518.12 = 420,521,032.32/x
  3. Step 3: Cross multiply
    1,353,061,823.06x = 2,029,596,518.12 × 420,521,032.32
  4. Step 4: Simplify right side
    1,353,061,823.06x = 853,488,022,990,797,312
  5. Step 5: Solve for x
    x = 853,488,022,990,797,312/1,353,061,823.06
  6. Step 6: Final answer
    x = 630,782,724.37

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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.