Home / 462,186,136.80-636,744,914.40-322,736,018.40

Finding the Fourth Proportional to 462,186,136.80, 636,744,914.40 and 322,736,018.40

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Solution

The fourth proportional to 462,186,136.80, 636,744,914.40 and 322,736,018.40 is: 444,627,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,186,136.80 : 636,744,914.40 = 322,736,018.40 : x
  2. Step 2: Convert to fraction form
    462,186,136.80/636,744,914.40 = 322,736,018.40/x
  3. Step 3: Cross multiply
    462,186,136.80x = 636,744,914.40 × 322,736,018.40
  4. Step 4: Simplify right side
    462,186,136.80x = 205,500,518,409,904,800
  5. Step 5: Solve for x
    x = 205,500,518,409,904,800/462,186,136.80
  6. Step 6: Final answer
    x = 444,627,179.50

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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.