Home / 336,993,856.80-505,490,785.20-282,574,298.40

Finding the Fourth Proportional to 336,993,856.80, 505,490,785.20 and 282,574,298.40

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Solution

The fourth proportional to 336,993,856.80, 505,490,785.20 and 282,574,298.40 is: 423,861,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,993,856.80 : 505,490,785.20 = 282,574,298.40 : x
  2. Step 2: Convert to fraction form
    336,993,856.80/505,490,785.20 = 282,574,298.40/x
  3. Step 3: Cross multiply
    336,993,856.80x = 505,490,785.20 × 282,574,298.40
  4. Step 4: Simplify right side
    336,993,856.80x = 142,838,703,975,555,088
  5. Step 5: Solve for x
    x = 142,838,703,975,555,088/336,993,856.80
  6. Step 6: Final answer
    x = 423,861,447.60

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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.