Home / 528,233,895.88-728,985,543.14-293,284,567.24

Finding the Fourth Proportional to 528,233,895.88, 728,985,543.14 and 293,284,567.24

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Solution

The fourth proportional to 528,233,895.88, 728,985,543.14 and 293,284,567.24 is: 404,745,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,233,895.88 : 728,985,543.14 = 293,284,567.24 : x
  2. Step 2: Convert to fraction form
    528,233,895.88/728,985,543.14 = 293,284,567.24/x
  3. Step 3: Cross multiply
    528,233,895.88x = 728,985,543.14 × 293,284,567.24
  4. Step 4: Simplify right side
    528,233,895.88x = 213,800,209,544,031,264
  5. Step 5: Solve for x
    x = 213,800,209,544,031,264/528,233,895.88
  6. Step 6: Final answer
    x = 404,745,343.33

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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.