Home / 637,869,729.80-957,252,492.30-274,624,776.20

Finding the Fourth Proportional to 637,869,729.80, 957,252,492.30 and 274,624,776.20

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Solution

The fourth proportional to 637,869,729.80, 957,252,492.30 and 274,624,776.20 is: 412,129,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,869,729.80 : 957,252,492.30 = 274,624,776.20 : x
  2. Step 2: Convert to fraction form
    637,869,729.80/957,252,492.30 = 274,624,776.20/x
  3. Step 3: Cross multiply
    637,869,729.80x = 957,252,492.30 × 274,624,776.20
  4. Step 4: Simplify right side
    637,869,729.80x = 262,885,251,464,779,712
  5. Step 5: Solve for x
    x = 262,885,251,464,779,712/637,869,729.80
  6. Step 6: Final answer
    x = 412,129,999.56

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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.