Home / 708,588,904.45-1,062,883,356.68-640,564,456.45

Finding the Fourth Proportional to 708,588,904.45, 1,062,883,356.68 and 640,564,456.45

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Solution

The fourth proportional to 708,588,904.45, 1,062,883,356.68 and 640,564,456.45 is: 960,846,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,904.45 : 1,062,883,356.68 = 640,564,456.45 : x
  2. Step 2: Convert to fraction form
    708,588,904.45/1,062,883,356.68 = 640,564,456.45/x
  3. Step 3: Cross multiply
    708,588,904.45x = 1,062,883,356.68 × 640,564,456.45
  4. Step 4: Simplify right side
    708,588,904.45x = 680,845,299,638,272,896
  5. Step 5: Solve for x
    x = 680,845,299,638,272,896/708,588,904.45
  6. Step 6: Final answer
    x = 960,846,684.68

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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.