Home / 1,214,724,898.42-1,676,321,976.45-657,808,905.94

Finding the Fourth Proportional to 1,214,724,898.42, 1,676,321,976.45 and 657,808,905.94

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Solution

The fourth proportional to 1,214,724,898.42, 1,676,321,976.45 and 657,808,905.94 is: 907,777,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,724,898.42 : 1,676,321,976.45 = 657,808,905.94 : x
  2. Step 2: Convert to fraction form
    1,214,724,898.42/1,676,321,976.45 = 657,808,905.94/x
  3. Step 3: Cross multiply
    1,214,724,898.42x = 1,676,321,976.45 × 657,808,905.94
  4. Step 4: Simplify right side
    1,214,724,898.42x = 1,102,699,525,331,753,088
  5. Step 5: Solve for x
    x = 1,102,699,525,331,753,088/1,214,724,898.42
  6. Step 6: Final answer
    x = 907,777,165.65

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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.