Home / 383,473,429.20-575,210,143.80-319,700,509.20

Finding the Fourth Proportional to 383,473,429.20, 575,210,143.80 and 319,700,509.20

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Solution

The fourth proportional to 383,473,429.20, 575,210,143.80 and 319,700,509.20 is: 479,550,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,473,429.20 : 575,210,143.80 = 319,700,509.20 : x
  2. Step 2: Convert to fraction form
    383,473,429.20/575,210,143.80 = 319,700,509.20/x
  3. Step 3: Cross multiply
    383,473,429.20x = 575,210,143.80 × 319,700,509.20
  4. Step 4: Simplify right side
    383,473,429.20x = 183,894,975,869,865,216
  5. Step 5: Solve for x
    x = 183,894,975,869,865,216/383,473,429.20
  6. Step 6: Final answer
    x = 479,550,763.80

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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.