Home / 709,519,239.40-1,064,278,859.10-514,515,821.80

Finding the Fourth Proportional to 709,519,239.40, 1,064,278,859.10 and 514,515,821.80

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Solution

The fourth proportional to 709,519,239.40, 1,064,278,859.10 and 514,515,821.80 is: 771,773,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,519,239.40 : 1,064,278,859.10 = 514,515,821.80 : x
  2. Step 2: Convert to fraction form
    709,519,239.40/1,064,278,859.10 = 514,515,821.80/x
  3. Step 3: Cross multiply
    709,519,239.40x = 1,064,278,859.10 × 514,515,821.80
  4. Step 4: Simplify right side
    709,519,239.40x = 547,588,311,814,202,944
  5. Step 5: Solve for x
    x = 547,588,311,814,202,944/709,519,239.40
  6. Step 6: Final answer
    x = 771,773,732.70

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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.