Home / 1,383,032,892.80-1,908,591,102.97-747,953,370.81

Finding the Fourth Proportional to 1,383,032,892.80, 1,908,591,102.97 and 747,953,370.81

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Solution

The fourth proportional to 1,383,032,892.80, 1,908,591,102.97 and 747,953,370.81 is: 1,032,178,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,032,892.80 : 1,908,591,102.97 = 747,953,370.81 : x
  2. Step 2: Convert to fraction form
    1,383,032,892.80/1,908,591,102.97 = 747,953,370.81/x
  3. Step 3: Cross multiply
    1,383,032,892.80x = 1,908,591,102.97 × 747,953,370.81
  4. Step 4: Simplify right side
    1,383,032,892.80x = 1,427,537,148,962,517,248
  5. Step 5: Solve for x
    x = 1,427,537,148,962,517,248/1,383,032,892.80
  6. Step 6: Final answer
    x = 1,032,178,740.21

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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.