Home / 282,624,009.60-423,936,014.40-280,832,419.20

Finding the Fourth Proportional to 282,624,009.60, 423,936,014.40 and 280,832,419.20

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Solution

The fourth proportional to 282,624,009.60, 423,936,014.40 and 280,832,419.20 is: 421,248,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,624,009.60 : 423,936,014.40 = 280,832,419.20 : x
  2. Step 2: Convert to fraction form
    282,624,009.60/423,936,014.40 = 280,832,419.20/x
  3. Step 3: Cross multiply
    282,624,009.60x = 423,936,014.40 × 280,832,419.20
  4. Step 4: Simplify right side
    282,624,009.60x = 119,054,976,509,958,032
  5. Step 5: Solve for x
    x = 119,054,976,509,958,032/282,624,009.60
  6. Step 6: Final answer
    x = 421,248,628.80

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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.