Home / 370,572,876-555,859,331.28-253,873,156.32

Finding the Fourth Proportional to 370,572,876, 555,859,331.28 and 253,873,156.32

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Solution

The fourth proportional to 370,572,876, 555,859,331.28 and 253,873,156.32 is: 380,809,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,572,876 : 555,859,331.28 = 253,873,156.32 : x
  2. Step 2: Convert to fraction form
    370,572,876/555,859,331.28 = 253,873,156.32/x
  3. Step 3: Cross multiply
    370,572,876x = 555,859,331.28 × 253,873,156.32
  4. Step 4: Simplify right side
    370,572,876x = 141,117,762,901,978,096
  5. Step 5: Solve for x
    x = 141,117,762,901,978,096/370,572,876
  6. Step 6: Final answer
    x = 380,809,746.32

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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.