Home / 369,810,931.83-510,347,347.15-211,037,894.30

Finding the Fourth Proportional to 369,810,931.83, 510,347,347.15 and 211,037,894.30

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Solution

The fourth proportional to 369,810,931.83, 510,347,347.15 and 211,037,894.30 is: 291,237,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,810,931.83 : 510,347,347.15 = 211,037,894.30 : x
  2. Step 2: Convert to fraction form
    369,810,931.83/510,347,347.15 = 211,037,894.30/x
  3. Step 3: Cross multiply
    369,810,931.83x = 510,347,347.15 × 211,037,894.30
  4. Step 4: Simplify right side
    369,810,931.83x = 107,702,629,504,381,568
  5. Step 5: Solve for x
    x = 107,702,629,504,381,568/369,810,931.83
  6. Step 6: Final answer
    x = 291,237,008.52

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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.