Home / 482,444,465,665.65-723,497,565,233.85-142,392,911,303.85

Finding the Fourth Proportional to 482,444,465,665.65, 723,497,565,233.85 and 142,392,911,303.85

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Solution

The fourth proportional to 482,444,465,665.65, 723,497,565,233.85 and 142,392,911,303.85 is: 213,539,447,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,444,465,665.65 : 723,497,565,233.85 = 142,392,911,303.85 : x
  2. Step 2: Convert to fraction form
    482,444,465,665.65/723,497,565,233.85 = 142,392,911,303.85/x
  3. Step 3: Cross multiply
    482,444,465,665.65x = 723,497,565,233.85 × 142,392,911,303.85
  4. Step 4: Simplify right side
    482,444,465,665.65x = 103,020,924,634,895,040,380,928
  5. Step 5: Solve for x
    x = 103,020,924,634,895,040,380,928/482,444,465,665.65
  6. Step 6: Final answer
    x = 213,539,447,473.51

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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.