Home / 1,992,040,223.60-2,988,060,335.40-1,964,830,444.40

Finding the Fourth Proportional to 1,992,040,223.60, 2,988,060,335.40 and 1,964,830,444.40

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Solution

The fourth proportional to 1,992,040,223.60, 2,988,060,335.40 and 1,964,830,444.40 is: 2,947,245,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,040,223.60 : 2,988,060,335.40 = 1,964,830,444.40 : x
  2. Step 2: Convert to fraction form
    1,992,040,223.60/2,988,060,335.40 = 1,964,830,444.40/x
  3. Step 3: Cross multiply
    1,992,040,223.60x = 2,988,060,335.40 × 1,964,830,444.40
  4. Step 4: Simplify right side
    1,992,040,223.60x = 5,871,031,916,697,995,264
  5. Step 5: Solve for x
    x = 5,871,031,916,697,995,264/1,992,040,223.60
  6. Step 6: Final answer
    x = 2,947,245,666.60

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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.