Home / 766,537,383.90-1,149,974,037.45-248,879,732.70

Finding the Fourth Proportional to 766,537,383.90, 1,149,974,037.45 and 248,879,732.70

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Solution

The fourth proportional to 766,537,383.90, 1,149,974,037.45 and 248,879,732.70 is: 373,374,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,537,383.90 : 1,149,974,037.45 = 248,879,732.70 : x
  2. Step 2: Convert to fraction form
    766,537,383.90/1,149,974,037.45 = 248,879,732.70/x
  3. Step 3: Cross multiply
    766,537,383.90x = 1,149,974,037.45 × 248,879,732.70
  4. Step 4: Simplify right side
    766,537,383.90x = 286,205,231,052,495,776
  5. Step 5: Solve for x
    x = 286,205,231,052,495,776/766,537,383.90
  6. Step 6: Final answer
    x = 373,374,132.90

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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.