Home / 425,160,136.80-637,740,205.20-322,367,637.60

Finding the Fourth Proportional to 425,160,136.80, 637,740,205.20 and 322,367,637.60

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Solution

The fourth proportional to 425,160,136.80, 637,740,205.20 and 322,367,637.60 is: 483,551,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,160,136.80 : 637,740,205.20 = 322,367,637.60 : x
  2. Step 2: Convert to fraction form
    425,160,136.80/637,740,205.20 = 322,367,637.60/x
  3. Step 3: Cross multiply
    425,160,136.80x = 637,740,205.20 × 322,367,637.60
  4. Step 4: Simplify right side
    425,160,136.80x = 205,586,803,352,863,264
  5. Step 5: Solve for x
    x = 205,586,803,352,863,264/425,160,136.80
  6. Step 6: Final answer
    x = 483,551,456.40

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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.