Home / 766,537,666.40-1,149,974,461.20-248,880,015.20

Finding the Fourth Proportional to 766,537,666.40, 1,149,974,461.20 and 248,880,015.20

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Solution

The fourth proportional to 766,537,666.40, 1,149,974,461.20 and 248,880,015.20 is: 373,374,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,537,666.40 : 1,149,974,461.20 = 248,880,015.20 : x
  2. Step 2: Convert to fraction form
    766,537,666.40/1,149,974,461.20 = 248,880,015.20/x
  3. Step 3: Cross multiply
    766,537,666.40x = 1,149,974,461.20 × 248,880,015.20
  4. Step 4: Simplify right side
    766,537,666.40x = 286,205,661,383,067,808
  5. Step 5: Solve for x
    x = 286,205,661,383,067,808/766,537,666.40
  6. Step 6: Final answer
    x = 373,374,556.70

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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.