Home / 528,745,753.84-729,637,153.70-293,788,380.40

Finding the Fourth Proportional to 528,745,753.84, 729,637,153.70 and 293,788,380.40

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Solution

The fourth proportional to 528,745,753.84, 729,637,153.70 and 293,788,380.40 is: 405,410,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,745,753.84 : 729,637,153.70 = 293,788,380.40 : x
  2. Step 2: Convert to fraction form
    528,745,753.84/729,637,153.70 = 293,788,380.40/x
  3. Step 3: Cross multiply
    528,745,753.84x = 729,637,153.70 × 293,788,380.40
  4. Step 4: Simplify right side
    528,745,753.84x = 214,358,917,665,188,864
  5. Step 5: Solve for x
    x = 214,358,917,665,188,864/528,745,753.84
  6. Step 6: Final answer
    x = 405,410,192.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.