Home / 841,230,251.23-1,260,717,449.61-654,709,417.24

Finding the Fourth Proportional to 841,230,251.23, 1,260,717,449.61 and 654,709,417.24

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Solution

The fourth proportional to 841,230,251.23, 1,260,717,449.61 and 654,709,417.24 is: 981,186,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,230,251.23 : 1,260,717,449.61 = 654,709,417.24 : x
  2. Step 2: Convert to fraction form
    841,230,251.23/1,260,717,449.61 = 654,709,417.24/x
  3. Step 3: Cross multiply
    841,230,251.23x = 1,260,717,449.61 × 654,709,417.24
  4. Step 4: Simplify right side
    841,230,251.23x = 825,403,586,738,462,080
  5. Step 5: Solve for x
    x = 825,403,586,738,462,080/841,230,251.23
  6. Step 6: Final answer
    x = 981,186,287.03

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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.