Home / 621,461,260.88-857,939,355.08-454,009,516.20

Finding the Fourth Proportional to 621,461,260.88, 857,939,355.08 and 454,009,516.20

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Solution

The fourth proportional to 621,461,260.88, 857,939,355.08 and 454,009,516.20 is: 626,768,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,461,260.88 : 857,939,355.08 = 454,009,516.20 : x
  2. Step 2: Convert to fraction form
    621,461,260.88/857,939,355.08 = 454,009,516.20/x
  3. Step 3: Cross multiply
    621,461,260.88x = 857,939,355.08 × 454,009,516.20
  4. Step 4: Simplify right side
    621,461,260.88x = 389,512,631,528,810,816
  5. Step 5: Solve for x
    x = 389,512,631,528,810,816/621,461,260.88
  6. Step 6: Final answer
    x = 626,768,965.42

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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.