Home / 386,208,034.20-579,312,051.30-382,624,853.40

Finding the Fourth Proportional to 386,208,034.20, 579,312,051.30 and 382,624,853.40

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Solution

The fourth proportional to 386,208,034.20, 579,312,051.30 and 382,624,853.40 is: 573,937,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,208,034.20 : 579,312,051.30 = 382,624,853.40 : x
  2. Step 2: Convert to fraction form
    386,208,034.20/579,312,051.30 = 382,624,853.40/x
  3. Step 3: Cross multiply
    386,208,034.20x = 579,312,051.30 × 382,624,853.40
  4. Step 4: Simplify right side
    386,208,034.20x = 221,659,188,701,515,744
  5. Step 5: Solve for x
    x = 221,659,188,701,515,744/386,208,034.20
  6. Step 6: Final answer
    x = 573,937,280.10

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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.