Home / 913,475,832.94-1,260,380,585.58-516,998,814.14

Finding the Fourth Proportional to 913,475,832.94, 1,260,380,585.58 and 516,998,814.14

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Solution

The fourth proportional to 913,475,832.94, 1,260,380,585.58 and 516,998,814.14 is: 713,336,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,475,832.94 : 1,260,380,585.58 = 516,998,814.14 : x
  2. Step 2: Convert to fraction form
    913,475,832.94/1,260,380,585.58 = 516,998,814.14/x
  3. Step 3: Cross multiply
    913,475,832.94x = 1,260,380,585.58 × 516,998,814.14
  4. Step 4: Simplify right side
    913,475,832.94x = 651,615,268,109,938,688
  5. Step 5: Solve for x
    x = 651,615,268,109,938,688/913,475,832.94
  6. Step 6: Final answer
    x = 713,336,078.10

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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.