Home / 292,655,667.34-438,983,690.52-74,322,383.50

Finding the Fourth Proportional to 292,655,667.34, 438,983,690.52 and 74,322,383.50

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Solution

The fourth proportional to 292,655,667.34, 438,983,690.52 and 74,322,383.50 is: 111,483,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,655,667.34 : 438,983,690.52 = 74,322,383.50 : x
  2. Step 2: Convert to fraction form
    292,655,667.34/438,983,690.52 = 74,322,383.50/x
  3. Step 3: Cross multiply
    292,655,667.34x = 438,983,690.52 × 74,322,383.50
  4. Step 4: Simplify right side
    292,655,667.34x = 32,626,314,197,072,752
  5. Step 5: Solve for x
    x = 32,626,314,197,072,752/292,655,667.34
  6. Step 6: Final answer
    x = 111,483,623.38

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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.