Home / 1,661,020,465.28-2,491,778,444.08-611,677,985.44

Finding the Fourth Proportional to 1,661,020,465.28, 2,491,778,444.08 and 611,677,985.44

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Solution

The fourth proportional to 1,661,020,465.28, 2,491,778,444.08 and 611,677,985.44 is: 917,608,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,020,465.28 : 2,491,778,444.08 = 611,677,985.44 : x
  2. Step 2: Convert to fraction form
    1,661,020,465.28/2,491,778,444.08 = 611,677,985.44/x
  3. Step 3: Cross multiply
    1,661,020,465.28x = 2,491,778,444.08 × 611,677,985.44
  4. Step 4: Simplify right side
    1,661,020,465.28x = 1,524,166,018,837,672,192
  5. Step 5: Solve for x
    x = 1,524,166,018,837,672,192/1,661,020,465.28
  6. Step 6: Final answer
    x = 917,608,211.76

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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.