Home / 1,513,388,102.77-2,088,527,112.48-878,259,420.73

Finding the Fourth Proportional to 1,513,388,102.77, 2,088,527,112.48 and 878,259,420.73

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Solution

The fourth proportional to 1,513,388,102.77, 2,088,527,112.48 and 878,259,420.73 is: 1,212,027,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,388,102.77 : 2,088,527,112.48 = 878,259,420.73 : x
  2. Step 2: Convert to fraction form
    1,513,388,102.77/2,088,527,112.48 = 878,259,420.73/x
  3. Step 3: Cross multiply
    1,513,388,102.77x = 2,088,527,112.48 × 878,259,420.73
  4. Step 4: Simplify right side
    1,513,388,102.77x = 1,834,268,611,985,584,384
  5. Step 5: Solve for x
    x = 1,834,268,611,985,584,384/1,513,388,102.77
  6. Step 6: Final answer
    x = 1,212,027,905.22

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Double scale
Find fourth proportional to 1,513,388,103.77, 2,088,527,113.86 and 878,259,421.73
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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.