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Finding the Fourth Proportional to 508,333,607.80, 762,500,411.70 and 353,365,412.20

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Solution

The fourth proportional to 508,333,607.80, 762,500,411.70 and 353,365,412.20 is: 530,048,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,333,607.80 : 762,500,411.70 = 353,365,412.20 : x
  2. Step 2: Convert to fraction form
    508,333,607.80/762,500,411.70 = 353,365,412.20/x
  3. Step 3: Cross multiply
    508,333,607.80x = 762,500,411.70 × 353,365,412.20
  4. Step 4: Simplify right side
    508,333,607.80x = 269,441,272,283,040,224
  5. Step 5: Solve for x
    x = 269,441,272,283,040,224/508,333,607.80
  6. Step 6: Final answer
    x = 530,048,118.30

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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.