Home / 434,246,579.80-651,145,920.90-161,476,941.40

Finding the Fourth Proportional to 434,246,579.80, 651,145,920.90 and 161,476,941.40

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Solution

The fourth proportional to 434,246,579.80, 651,145,920.90 and 161,476,941.40 is: 242,132,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,246,579.80 : 651,145,920.90 = 161,476,941.40 : x
  2. Step 2: Convert to fraction form
    434,246,579.80/651,145,920.90 = 161,476,941.40/x
  3. Step 3: Cross multiply
    434,246,579.80x = 651,145,920.90 × 161,476,941.40
  4. Step 4: Simplify right side
    434,246,579.80x = 105,145,051,712,018,336
  5. Step 5: Solve for x
    x = 105,145,051,712,018,336/434,246,579.80
  6. Step 6: Final answer
    x = 242,132,135.53

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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.