Home / 553,555,123.20-830,332,684.80-225,921,746.70

Finding the Fourth Proportional to 553,555,123.20, 830,332,684.80 and 225,921,746.70

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Solution

The fourth proportional to 553,555,123.20, 830,332,684.80 and 225,921,746.70 is: 338,882,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,555,123.20 : 830,332,684.80 = 225,921,746.70 : x
  2. Step 2: Convert to fraction form
    553,555,123.20/830,332,684.80 = 225,921,746.70/x
  3. Step 3: Cross multiply
    553,555,123.20x = 830,332,684.80 × 225,921,746.70
  4. Step 4: Simplify right side
    553,555,123.20x = 187,590,210,492,116,512
  5. Step 5: Solve for x
    x = 187,590,210,492,116,512/553,555,123.20
  6. Step 6: Final answer
    x = 338,882,620.05

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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.