Home / 382,140,412.56-572,370,416.64-315,809,810.64

Finding the Fourth Proportional to 382,140,412.56, 572,370,416.64 and 315,809,810.64

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Solution

The fourth proportional to 382,140,412.56, 572,370,416.64 and 315,809,810.64 is: 473,020,353.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,140,412.56 : 572,370,416.64 = 315,809,810.64 : x
  2. Step 2: Convert to fraction form
    382,140,412.56/572,370,416.64 = 315,809,810.64/x
  3. Step 3: Cross multiply
    382,140,412.56x = 572,370,416.64 × 315,809,810.64
  4. Step 4: Simplify right side
    382,140,412.56x = 180,760,192,895,016,288
  5. Step 5: Solve for x
    x = 180,760,192,895,016,288/382,140,412.56
  6. Step 6: Final answer
    x = 473,020,353.13

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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.