Home / 743,088,671.20-1,114,633,006.80-225,518,281.30

Finding the Fourth Proportional to 743,088,671.20, 1,114,633,006.80 and 225,518,281.30

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Solution

The fourth proportional to 743,088,671.20, 1,114,633,006.80 and 225,518,281.30 is: 338,277,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,088,671.20 : 1,114,633,006.80 = 225,518,281.30 : x
  2. Step 2: Convert to fraction form
    743,088,671.20/1,114,633,006.80 = 225,518,281.30/x
  3. Step 3: Cross multiply
    743,088,671.20x = 1,114,633,006.80 × 225,518,281.30
  4. Step 4: Simplify right side
    743,088,671.20x = 251,370,119,973,787,200
  5. Step 5: Solve for x
    x = 251,370,119,973,787,200/743,088,671.20
  6. Step 6: Final answer
    x = 338,277,421.95

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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.