Home / 1,057,536,021.60-1,586,304,032.40-985,872,405.60

Finding the Fourth Proportional to 1,057,536,021.60, 1,586,304,032.40 and 985,872,405.60

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Solution

The fourth proportional to 1,057,536,021.60, 1,586,304,032.40 and 985,872,405.60 is: 1,478,808,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,536,021.60 : 1,586,304,032.40 = 985,872,405.60 : x
  2. Step 2: Convert to fraction form
    1,057,536,021.60/1,586,304,032.40 = 985,872,405.60/x
  3. Step 3: Cross multiply
    1,057,536,021.60x = 1,586,304,032.40 × 985,872,405.60
  4. Step 4: Simplify right side
    1,057,536,021.60x = 1,563,893,372,435,168,512
  5. Step 5: Solve for x
    x = 1,563,893,372,435,168,512/1,057,536,021.60
  6. Step 6: Final answer
    x = 1,478,808,608.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.