Home / 1,114,875,518.40-1,672,205,217.84-338,528,003.52

Finding the Fourth Proportional to 1,114,875,518.40, 1,672,205,217.84 and 338,528,003.52

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Solution

The fourth proportional to 1,114,875,518.40, 1,672,205,217.84 and 338,528,003.52 is: 507,759,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,875,518.40 : 1,672,205,217.84 = 338,528,003.52 : x
  2. Step 2: Convert to fraction form
    1,114,875,518.40/1,672,205,217.84 = 338,528,003.52/x
  3. Step 3: Cross multiply
    1,114,875,518.40x = 1,672,205,217.84 × 338,528,003.52
  4. Step 4: Simplify right side
    1,114,875,518.40x = 566,088,293,871,101,824
  5. Step 5: Solve for x
    x = 566,088,293,871,101,824/1,114,875,518.40
  6. Step 6: Final answer
    x = 507,759,193.32

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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.