Home / 766,537,661.40-1,149,974,453.70-248,880,010.20

Finding the Fourth Proportional to 766,537,661.40, 1,149,974,453.70 and 248,880,010.20

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Solution

The fourth proportional to 766,537,661.40, 1,149,974,453.70 and 248,880,010.20 is: 373,374,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,537,661.40 : 1,149,974,453.70 = 248,880,010.20 : x
  2. Step 2: Convert to fraction form
    766,537,661.40/1,149,974,453.70 = 248,880,010.20/x
  3. Step 3: Cross multiply
    766,537,661.40x = 1,149,974,453.70 × 248,880,010.20
  4. Step 4: Simplify right side
    766,537,661.40x = 286,205,653,766,595,424
  5. Step 5: Solve for x
    x = 286,205,653,766,595,424/766,537,661.40
  6. Step 6: Final answer
    x = 373,374,549.20

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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.