Home / 834,623,998.80-1,251,935,998.20-528,262,040.40

Finding the Fourth Proportional to 834,623,998.80, 1,251,935,998.20 and 528,262,040.40

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Solution

The fourth proportional to 834,623,998.80, 1,251,935,998.20 and 528,262,040.40 is: 792,393,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,623,998.80 : 1,251,935,998.20 = 528,262,040.40 : x
  2. Step 2: Convert to fraction form
    834,623,998.80/1,251,935,998.20 = 528,262,040.40/x
  3. Step 3: Cross multiply
    834,623,998.80x = 1,251,935,998.20 × 528,262,040.40
  4. Step 4: Simplify right side
    834,623,998.80x = 661,350,264,859,342,720
  5. Step 5: Solve for x
    x = 661,350,264,859,342,720/834,623,998.80
  6. Step 6: Final answer
    x = 792,393,060.60

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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.