Home / 769,904,428.07-1,154,395,451.09-245,046,819.31

Finding the Fourth Proportional to 769,904,428.07, 1,154,395,451.09 and 245,046,819.31

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Solution

The fourth proportional to 769,904,428.07, 1,154,395,451.09 and 245,046,819.31 is: 367,423,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,904,428.07 : 1,154,395,451.09 = 245,046,819.31 : x
  2. Step 2: Convert to fraction form
    769,904,428.07/1,154,395,451.09 = 245,046,819.31/x
  3. Step 3: Cross multiply
    769,904,428.07x = 1,154,395,451.09 × 245,046,819.31
  4. Step 4: Simplify right side
    769,904,428.07x = 282,880,933,513,263,808
  5. Step 5: Solve for x
    x = 282,880,933,513,263,808/769,904,428.07
  6. Step 6: Final answer
    x = 367,423,440.10

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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.