Home / 972,794,824.96-1,342,552,699.20-555,169,970.56

Finding the Fourth Proportional to 972,794,824.96, 1,342,552,699.20 and 555,169,970.56

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Solution

The fourth proportional to 972,794,824.96, 1,342,552,699.20 and 555,169,970.56 is: 766,189,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,794,824.96 : 1,342,552,699.20 = 555,169,970.56 : x
  2. Step 2: Convert to fraction form
    972,794,824.96/1,342,552,699.20 = 555,169,970.56/x
  3. Step 3: Cross multiply
    972,794,824.96x = 1,342,552,699.20 × 555,169,970.56
  4. Step 4: Simplify right side
    972,794,824.96x = 745,344,942,490,112,512
  5. Step 5: Solve for x
    x = 745,344,942,490,112,512/972,794,824.96
  6. Step 6: Final answer
    x = 766,189,255.29

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1.5x scale

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.