Home / 911,571,800.82-1,257,583,876.83-610,254,186.69

Finding the Fourth Proportional to 911,571,800.82, 1,257,583,876.83 and 610,254,186.69

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Solution

The fourth proportional to 911,571,800.82, 1,257,583,876.83 and 610,254,186.69 is: 841,892,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,571,800.82 : 1,257,583,876.83 = 610,254,186.69 : x
  2. Step 2: Convert to fraction form
    911,571,800.82/1,257,583,876.83 = 610,254,186.69/x
  3. Step 3: Cross multiply
    911,571,800.82x = 1,257,583,876.83 × 610,254,186.69
  4. Step 4: Simplify right side
    911,571,800.82x = 767,445,825,949,348,864
  5. Step 5: Solve for x
    x = 767,445,825,949,348,864/911,571,800.82
  6. Step 6: Final answer
    x = 841,892,898.90

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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.