Home / 715,872,638.48-1,073,112,541.38-342,283,441.27

Finding the Fourth Proportional to 715,872,638.48, 1,073,112,541.38 and 342,283,441.27

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Solution

The fourth proportional to 715,872,638.48, 1,073,112,541.38 and 342,283,441.27 is: 513,092,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,872,638.48 : 1,073,112,541.38 = 342,283,441.27 : x
  2. Step 2: Convert to fraction form
    715,872,638.48/1,073,112,541.38 = 342,283,441.27/x
  3. Step 3: Cross multiply
    715,872,638.48x = 1,073,112,541.38 × 342,283,441.27
  4. Step 4: Simplify right side
    715,872,638.48x = 367,308,653,533,541,632
  5. Step 5: Solve for x
    x = 367,308,653,533,541,632/715,872,638.48
  6. Step 6: Final answer
    x = 513,092,181.19

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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.