Home / 670,689,736.80-1,006,034,605.20-210,674,407.20

Finding the Fourth Proportional to 670,689,736.80, 1,006,034,605.20 and 210,674,407.20

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Solution

The fourth proportional to 670,689,736.80, 1,006,034,605.20 and 210,674,407.20 is: 316,011,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,689,736.80 : 1,006,034,605.20 = 210,674,407.20 : x
  2. Step 2: Convert to fraction form
    670,689,736.80/1,006,034,605.20 = 210,674,407.20/x
  3. Step 3: Cross multiply
    670,689,736.80x = 1,006,034,605.20 × 210,674,407.20
  4. Step 4: Simplify right side
    670,689,736.80x = 211,945,744,073,196,032
  5. Step 5: Solve for x
    x = 211,945,744,073,196,032/670,689,736.80
  6. Step 6: Final answer
    x = 316,011,610.80

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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.