Home / 668,563,346.70-1,002,845,020.05-553,677,612.30

Finding the Fourth Proportional to 668,563,346.70, 1,002,845,020.05 and 553,677,612.30

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Solution

The fourth proportional to 668,563,346.70, 1,002,845,020.05 and 553,677,612.30 is: 830,516,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,563,346.70 : 1,002,845,020.05 = 553,677,612.30 : x
  2. Step 2: Convert to fraction form
    668,563,346.70/1,002,845,020.05 = 553,677,612.30/x
  3. Step 3: Cross multiply
    668,563,346.70x = 1,002,845,020.05 × 553,677,612.30
  4. Step 4: Simplify right side
    668,563,346.70x = 555,252,836,208,229,568
  5. Step 5: Solve for x
    x = 555,252,836,208,229,568/668,563,346.70
  6. Step 6: Final answer
    x = 830,516,418.45

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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.