Home / 528,556,836-729,428,904-293,625,330.24

Finding the Fourth Proportional to 528,556,836, 729,428,904 and 293,625,330.24

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Solution

The fourth proportional to 528,556,836, 729,428,904 and 293,625,330.24 is: 405,214,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,556,836 : 729,428,904 = 293,625,330.24 : x
  2. Step 2: Convert to fraction form
    528,556,836/729,428,904 = 293,625,330.24/x
  3. Step 3: Cross multiply
    528,556,836x = 729,428,904 × 293,625,330.24
  4. Step 4: Simplify right side
    528,556,836x = 214,178,802,823,601,248
  5. Step 5: Solve for x
    x = 214,178,802,823,601,248/528,556,836
  6. Step 6: Final answer
    x = 405,214,327.46

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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.