Home / 344,078,752.80-516,118,129.20-309,043,207.20

Finding the Fourth Proportional to 344,078,752.80, 516,118,129.20 and 309,043,207.20

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Solution

The fourth proportional to 344,078,752.80, 516,118,129.20 and 309,043,207.20 is: 463,564,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,078,752.80 : 516,118,129.20 = 309,043,207.20 : x
  2. Step 2: Convert to fraction form
    344,078,752.80/516,118,129.20 = 309,043,207.20/x
  3. Step 3: Cross multiply
    344,078,752.80x = 516,118,129.20 × 309,043,207.20
  4. Step 4: Simplify right side
    344,078,752.80x = 159,502,801,942,031,968
  5. Step 5: Solve for x
    x = 159,502,801,942,031,968/344,078,752.80
  6. Step 6: Final answer
    x = 463,564,810.80

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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.