Home / 528,233,717.66-728,985,297.45-293,284,389.67

Finding the Fourth Proportional to 528,233,717.66, 728,985,297.45 and 293,284,389.67

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Solution

The fourth proportional to 528,233,717.66, 728,985,297.45 and 293,284,389.67 is: 404,745,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,233,717.66 : 728,985,297.45 = 293,284,389.67 : x
  2. Step 2: Convert to fraction form
    528,233,717.66/728,985,297.45 = 293,284,389.67/x
  3. Step 3: Cross multiply
    528,233,717.66x = 728,985,297.45 × 293,284,389.67
  4. Step 4: Simplify right side
    528,233,717.66x = 213,800,008,041,026,688
  5. Step 5: Solve for x
    x = 213,800,008,041,026,688/528,233,717.66
  6. Step 6: Final answer
    x = 404,745,098.42

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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.