Home / 463,030,836.30-638,099,486.19-454,520,140.77

Finding the Fourth Proportional to 463,030,836.30, 638,099,486.19 and 454,520,140.77

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Solution

The fourth proportional to 463,030,836.30, 638,099,486.19 and 454,520,140.77 is: 626,370,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,030,836.30 : 638,099,486.19 = 454,520,140.77 : x
  2. Step 2: Convert to fraction form
    463,030,836.30/638,099,486.19 = 454,520,140.77/x
  3. Step 3: Cross multiply
    463,030,836.30x = 638,099,486.19 × 454,520,140.77
  4. Step 4: Simplify right side
    463,030,836.30x = 290,029,068,288,343,488
  5. Step 5: Solve for x
    x = 290,029,068,288,343,488/463,030,836.30
  6. Step 6: Final answer
    x = 626,370,957.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.