Home / 1,114,875,515.34-1,672,205,213.34-338,528,000.52

Finding the Fourth Proportional to 1,114,875,515.34, 1,672,205,213.34 and 338,528,000.52

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Solution

The fourth proportional to 1,114,875,515.34, 1,672,205,213.34 and 338,528,000.52 is: 507,759,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,875,515.34 : 1,672,205,213.34 = 338,528,000.52 : x
  2. Step 2: Convert to fraction form
    1,114,875,515.34/1,672,205,213.34 = 338,528,000.52/x
  3. Step 3: Cross multiply
    1,114,875,515.34x = 1,672,205,213.34 × 338,528,000.52
  4. Step 4: Simplify right side
    1,114,875,515.34x = 566,088,287,331,110,144
  5. Step 5: Solve for x
    x = 566,088,287,331,110,144/1,114,875,515.34
  6. Step 6: Final answer
    x = 507,759,188.84

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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.