Home / 761,035,878.98-1,050,211,650.67-447,790,381.82

Finding the Fourth Proportional to 761,035,878.98, 1,050,211,650.67 and 447,790,381.82

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Solution

The fourth proportional to 761,035,878.98, 1,050,211,650.67 and 447,790,381.82 is: 617,940,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,035,878.98 : 1,050,211,650.67 = 447,790,381.82 : x
  2. Step 2: Convert to fraction form
    761,035,878.98/1,050,211,650.67 = 447,790,381.82/x
  3. Step 3: Cross multiply
    761,035,878.98x = 1,050,211,650.67 × 447,790,381.82
  4. Step 4: Simplify right side
    761,035,878.98x = 470,274,676,051,309,376
  5. Step 5: Solve for x
    x = 470,274,676,051,309,376/761,035,878.98
  6. Step 6: Final answer
    x = 617,940,216.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.