Home / 841,761,841.28-1,161,584,484-465,396,669.92

Finding the Fourth Proportional to 841,761,841.28, 1,161,584,484 and 465,396,669.92

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Solution

The fourth proportional to 841,761,841.28, 1,161,584,484 and 465,396,669.92 is: 642,221,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,761,841.28 : 1,161,584,484 = 465,396,669.92 : x
  2. Step 2: Convert to fraction form
    841,761,841.28/1,161,584,484 = 465,396,669.92/x
  3. Step 3: Cross multiply
    841,761,841.28x = 1,161,584,484 × 465,396,669.92
  4. Step 4: Simplify right side
    841,761,841.28x = 540,597,550,684,341,568
  5. Step 5: Solve for x
    x = 540,597,550,684,341,568/841,761,841.28
  6. Step 6: Final answer
    x = 642,221,498.02

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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.