Home / 891,168,493.18-1,229,940,409.60-533,950,376.98

Finding the Fourth Proportional to 891,168,493.18, 1,229,940,409.60 and 533,950,376.98

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Solution

The fourth proportional to 891,168,493.18, 1,229,940,409.60 and 533,950,376.98 is: 736,928,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,168,493.18 : 1,229,940,409.60 = 533,950,376.98 : x
  2. Step 2: Convert to fraction form
    891,168,493.18/1,229,940,409.60 = 533,950,376.98/x
  3. Step 3: Cross multiply
    891,168,493.18x = 1,229,940,409.60 × 533,950,376.98
  4. Step 4: Simplify right side
    891,168,493.18x = 656,727,145,364,445,952
  5. Step 5: Solve for x
    x = 656,727,145,364,445,952/891,168,493.18
  6. Step 6: Final answer
    x = 736,928,145.90

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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.