Home / 292,655,661.33-438,983,681.52-74,322,377.49

Finding the Fourth Proportional to 292,655,661.33, 438,983,681.52 and 74,322,377.49

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Solution

The fourth proportional to 292,655,661.33, 438,983,681.52 and 74,322,377.49 is: 111,483,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,655,661.33 : 438,983,681.52 = 74,322,377.49 : x
  2. Step 2: Convert to fraction form
    292,655,661.33/438,983,681.52 = 74,322,377.49/x
  3. Step 3: Cross multiply
    292,655,661.33x = 438,983,681.52 × 74,322,377.49
  4. Step 4: Simplify right side
    292,655,661.33x = 32,626,310,889,879,372
  5. Step 5: Solve for x
    x = 32,626,310,889,879,372/292,655,661.33
  6. Step 6: Final answer
    x = 111,483,614.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.