Home / 425,153,200.80-637,729,801.20-322,360,701.60

Finding the Fourth Proportional to 425,153,200.80, 637,729,801.20 and 322,360,701.60

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Solution

The fourth proportional to 425,153,200.80, 637,729,801.20 and 322,360,701.60 is: 483,541,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,153,200.80 : 637,729,801.20 = 322,360,701.60 : x
  2. Step 2: Convert to fraction form
    425,153,200.80/637,729,801.20 = 322,360,701.60/x
  3. Step 3: Cross multiply
    425,153,200.80x = 637,729,801.20 × 322,360,701.60
  4. Step 4: Simplify right side
    425,153,200.80x = 205,579,026,146,060,544
  5. Step 5: Solve for x
    x = 205,579,026,146,060,544/425,153,200.80
  6. Step 6: Final answer
    x = 483,541,052.40

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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.