Home / 528,819,833.30-729,789,070.54-293,880,396.02

Finding the Fourth Proportional to 528,819,833.30, 729,789,070.54 and 293,880,396.02

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Solution

The fourth proportional to 528,819,833.30, 729,789,070.54 and 293,880,396.02 is: 405,564,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,819,833.30 : 729,789,070.54 = 293,880,396.02 : x
  2. Step 2: Convert to fraction form
    528,819,833.30/729,789,070.54 = 293,880,396.02/x
  3. Step 3: Cross multiply
    528,819,833.30x = 729,789,070.54 × 293,880,396.02
  4. Step 4: Simplify right side
    528,819,833.30x = 214,470,701,061,362,880
  5. Step 5: Solve for x
    x = 214,470,701,061,362,880/528,819,833.30
  6. Step 6: Final answer
    x = 405,564,783.23

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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.