Home / 528,745,752.84-729,637,152.32-293,788,379.40

Finding the Fourth Proportional to 528,745,752.84, 729,637,152.32 and 293,788,379.40

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Solution

The fourth proportional to 528,745,752.84, 729,637,152.32 and 293,788,379.40 is: 405,410,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,745,752.84 : 729,637,152.32 = 293,788,379.40 : x
  2. Step 2: Convert to fraction form
    528,745,752.84/729,637,152.32 = 293,788,379.40/x
  3. Step 3: Cross multiply
    528,745,752.84x = 729,637,152.32 × 293,788,379.40
  4. Step 4: Simplify right side
    528,745,752.84x = 214,358,916,530,123,744
  5. Step 5: Solve for x
    x = 214,358,916,530,123,744/528,745,752.84
  6. Step 6: Final answer
    x = 405,410,190.77

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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.