Home / 590,212,821.60-885,319,232.40-386,369,647.20

Finding the Fourth Proportional to 590,212,821.60, 885,319,232.40 and 386,369,647.20

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Solution

The fourth proportional to 590,212,821.60, 885,319,232.40 and 386,369,647.20 is: 579,554,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,212,821.60 : 885,319,232.40 = 386,369,647.20 : x
  2. Step 2: Convert to fraction form
    590,212,821.60/885,319,232.40 = 386,369,647.20/x
  3. Step 3: Cross multiply
    590,212,821.60x = 885,319,232.40 × 386,369,647.20
  4. Step 4: Simplify right side
    590,212,821.60x = 342,060,479,481,762,816
  5. Step 5: Solve for x
    x = 342,060,479,481,762,816/590,212,821.60
  6. Step 6: Final answer
    x = 579,554,470.80

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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.