Home / 1,114,875,630.56-1,672,205,385.76-338,528,115.52

Finding the Fourth Proportional to 1,114,875,630.56, 1,672,205,385.76 and 338,528,115.52

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Solution

The fourth proportional to 1,114,875,630.56, 1,672,205,385.76 and 338,528,115.52 is: 507,759,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,875,630.56 : 1,672,205,385.76 = 338,528,115.52 : x
  2. Step 2: Convert to fraction form
    1,114,875,630.56/1,672,205,385.76 = 338,528,115.52/x
  3. Step 3: Cross multiply
    1,114,875,630.56x = 1,672,205,385.76 × 338,528,115.52
  4. Step 4: Simplify right side
    1,114,875,630.56x = 566,088,538,003,727,424
  5. Step 5: Solve for x
    x = 566,088,538,003,727,424/1,114,875,630.56
  6. Step 6: Final answer
    x = 507,759,361.21

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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.