Home / 841,229,966.08-1,260,717,021.12-654,709,132.36

Finding the Fourth Proportional to 841,229,966.08, 1,260,717,021.12 and 654,709,132.36

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Solution

The fourth proportional to 841,229,966.08, 1,260,717,021.12 and 654,709,132.36 is: 981,185,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,229,966.08 : 1,260,717,021.12 = 654,709,132.36 : x
  2. Step 2: Convert to fraction form
    841,229,966.08/1,260,717,021.12 = 654,709,132.36/x
  3. Step 3: Cross multiply
    841,229,966.08x = 1,260,717,021.12 × 654,709,132.36
  4. Step 4: Simplify right side
    841,229,966.08x = 825,402,947,048,958,976
  5. Step 5: Solve for x
    x = 825,402,947,048,958,976/841,229,966.08
  6. Step 6: Final answer
    x = 981,185,859.20

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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.