Home / 480,865,950,505.80-721,421,015,650.79-222,602,894,511.45

Finding the Fourth Proportional to 480,865,950,505.80, 721,421,015,650.79 and 222,602,894,511.45

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Solution

The fourth proportional to 480,865,950,505.80, 721,421,015,650.79 and 222,602,894,511.45 is: 333,960,859,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,865,950,505.80 : 721,421,015,650.79 = 222,602,894,511.45 : x
  2. Step 2: Convert to fraction form
    480,865,950,505.80/721,421,015,650.79 = 222,602,894,511.45/x
  3. Step 3: Cross multiply
    480,865,950,505.80x = 721,421,015,650.79 × 222,602,894,511.45
  4. Step 4: Simplify right side
    480,865,950,505.80x = 160,590,406,245,255,932,280,832
  5. Step 5: Solve for x
    x = 160,590,406,245,255,932,280,832/480,865,950,505.80
  6. Step 6: Final answer
    x = 333,960,859,728.87

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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.