Home / 977,662,905.44-1,349,200,379.76-531,652,354.12

Finding the Fourth Proportional to 977,662,905.44, 1,349,200,379.76 and 531,652,354.12

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Solution

The fourth proportional to 977,662,905.44, 1,349,200,379.76 and 531,652,354.12 is: 733,694,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,662,905.44 : 1,349,200,379.76 = 531,652,354.12 : x
  2. Step 2: Convert to fraction form
    977,662,905.44/1,349,200,379.76 = 531,652,354.12/x
  3. Step 3: Cross multiply
    977,662,905.44x = 1,349,200,379.76 × 531,652,354.12
  4. Step 4: Simplify right side
    977,662,905.44x = 717,305,558,079,001,984
  5. Step 5: Solve for x
    x = 717,305,558,079,001,984/977,662,905.44
  6. Step 6: Final answer
    x = 733,694,153.77

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1.5x scale

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.