Home / 402,888,234.80-604,332,352.20-280,444,228.40

Finding the Fourth Proportional to 402,888,234.80, 604,332,352.20 and 280,444,228.40

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Solution

The fourth proportional to 402,888,234.80, 604,332,352.20 and 280,444,228.40 is: 420,666,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,888,234.80 : 604,332,352.20 = 280,444,228.40 : x
  2. Step 2: Convert to fraction form
    402,888,234.80/604,332,352.20 = 280,444,228.40/x
  3. Step 3: Cross multiply
    402,888,234.80x = 604,332,352.20 × 280,444,228.40
  4. Step 4: Simplify right side
    402,888,234.80x = 169,481,520,209,886,048
  5. Step 5: Solve for x
    x = 169,481,520,209,886,048/402,888,234.80
  6. Step 6: Final answer
    x = 420,666,342.60

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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.