Home / 1,189,529,882.67-1,641,193,254.51-713,046,397.52

Finding the Fourth Proportional to 1,189,529,882.67, 1,641,193,254.51 and 713,046,397.52

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Solution

The fourth proportional to 1,189,529,882.67, 1,641,193,254.51 and 713,046,397.52 is: 983,789,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,529,882.67 : 1,641,193,254.51 = 713,046,397.52 : x
  2. Step 2: Convert to fraction form
    1,189,529,882.67/1,641,193,254.51 = 713,046,397.52/x
  3. Step 3: Cross multiply
    1,189,529,882.67x = 1,641,193,254.51 × 713,046,397.52
  4. Step 4: Simplify right side
    1,189,529,882.67x = 1,170,246,937,754,274,048
  5. Step 5: Solve for x
    x = 1,170,246,937,754,274,048/1,189,529,882.67
  6. Step 6: Final answer
    x = 983,789,440.52

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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.