Home / 1,308,440,961-1,962,678,536.87-435,042,329.31

Finding the Fourth Proportional to 1,308,440,961, 1,962,678,536.87 and 435,042,329.31

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Solution

The fourth proportional to 1,308,440,961, 1,962,678,536.87 and 435,042,329.31 is: 652,569,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,440,961 : 1,962,678,536.87 = 435,042,329.31 : x
  2. Step 2: Convert to fraction form
    1,308,440,961/1,962,678,536.87 = 435,042,329.31/x
  3. Step 3: Cross multiply
    1,308,440,961x = 1,962,678,536.87 × 435,042,329.31
  4. Step 4: Simplify right side
    1,308,440,961x = 853,848,242,364,492,288
  5. Step 5: Solve for x
    x = 853,848,242,364,492,288/1,308,440,961
  6. Step 6: Final answer
    x = 652,569,177.99

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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.