Home / 921,940,481.75-1,271,473,810.29-653,485,324.15

Finding the Fourth Proportional to 921,940,481.75, 1,271,473,810.29 and 653,485,324.15

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Solution

The fourth proportional to 921,940,481.75, 1,271,473,810.29 and 653,485,324.15 is: 901,239,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,940,481.75 : 1,271,473,810.29 = 653,485,324.15 : x
  2. Step 2: Convert to fraction form
    921,940,481.75/1,271,473,810.29 = 653,485,324.15/x
  3. Step 3: Cross multiply
    921,940,481.75x = 1,271,473,810.29 × 653,485,324.15
  4. Step 4: Simplify right side
    921,940,481.75x = 830,889,475,065,596,160
  5. Step 5: Solve for x
    x = 830,889,475,065,596,160/921,940,481.75
  6. Step 6: Final answer
    x = 901,239,821.35

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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.