Home / 405,724,657.58-608,877,559.39-172,718,730.60

Finding the Fourth Proportional to 405,724,657.58, 608,877,559.39 and 172,718,730.60

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Solution

The fourth proportional to 405,724,657.58, 608,877,559.39 and 172,718,730.60 is: 259,201,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,724,657.58 : 608,877,559.39 = 172,718,730.60 : x
  2. Step 2: Convert to fraction form
    405,724,657.58/608,877,559.39 = 172,718,730.60/x
  3. Step 3: Cross multiply
    405,724,657.58x = 608,877,559.39 × 172,718,730.60
  4. Step 4: Simplify right side
    405,724,657.58x = 105,164,559,148,666,912
  5. Step 5: Solve for x
    x = 105,164,559,148,666,912/405,724,657.58
  6. Step 6: Final answer
    x = 259,201,794.08

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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.