Home / 559,875,403.80-839,813,105.70-329,726,021.40

Finding the Fourth Proportional to 559,875,403.80, 839,813,105.70 and 329,726,021.40

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Solution

The fourth proportional to 559,875,403.80, 839,813,105.70 and 329,726,021.40 is: 494,589,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,875,403.80 : 839,813,105.70 = 329,726,021.40 : x
  2. Step 2: Convert to fraction form
    559,875,403.80/839,813,105.70 = 329,726,021.40/x
  3. Step 3: Cross multiply
    559,875,403.80x = 839,813,105.70 × 329,726,021.40
  4. Step 4: Simplify right side
    559,875,403.80x = 276,908,234,062,038,656
  5. Step 5: Solve for x
    x = 276,908,234,062,038,656/559,875,403.80
  6. Step 6: Final answer
    x = 494,589,032.10

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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.