Home / 425,160,007.80-637,740,011.70-322,367,508.60

Finding the Fourth Proportional to 425,160,007.80, 637,740,011.70 and 322,367,508.60

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Solution

The fourth proportional to 425,160,007.80, 637,740,011.70 and 322,367,508.60 is: 483,551,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,160,007.80 : 637,740,011.70 = 322,367,508.60 : x
  2. Step 2: Convert to fraction form
    425,160,007.80/637,740,011.70 = 322,367,508.60/x
  3. Step 3: Cross multiply
    425,160,007.80x = 637,740,011.70 × 322,367,508.60
  4. Step 4: Simplify right side
    425,160,007.80x = 205,586,658,706,263,872
  5. Step 5: Solve for x
    x = 205,586,658,706,263,872/425,160,007.80
  6. Step 6: Final answer
    x = 483,551,262.90

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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.