Home / 1,513,388,101.28-2,088,527,110.42-878,259,419.24

Finding the Fourth Proportional to 1,513,388,101.28, 2,088,527,110.42 and 878,259,419.24

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Solution

The fourth proportional to 1,513,388,101.28, 2,088,527,110.42 and 878,259,419.24 is: 1,212,027,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,388,101.28 : 2,088,527,110.42 = 878,259,419.24 : x
  2. Step 2: Convert to fraction form
    1,513,388,101.28/2,088,527,110.42 = 878,259,419.24/x
  3. Step 3: Cross multiply
    1,513,388,101.28x = 2,088,527,110.42 × 878,259,419.24
  4. Step 4: Simplify right side
    1,513,388,101.28x = 1,834,268,607,064,464,640
  5. Step 5: Solve for x
    x = 1,834,268,607,064,464,640/1,513,388,101.28
  6. Step 6: Final answer
    x = 1,212,027,903.16

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Double scale
Find fourth proportional to 1,513,388,102.28, 2,088,527,111.80 and 878,259,420.24
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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.