Home / 916,708,566.29-1,375,108,455.85-261,756,770.45

Finding the Fourth Proportional to 916,708,566.29, 1,375,108,455.85 and 261,756,770.45

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Solution

The fourth proportional to 916,708,566.29, 1,375,108,455.85 and 261,756,770.45 is: 392,648,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,708,566.29 : 1,375,108,455.85 = 261,756,770.45 : x
  2. Step 2: Convert to fraction form
    916,708,566.29/1,375,108,455.85 = 261,756,770.45/x
  3. Step 3: Cross multiply
    916,708,566.29x = 1,375,108,455.85 × 261,756,770.45
  4. Step 4: Simplify right side
    916,708,566.29x = 359,943,948,414,252,480
  5. Step 5: Solve for x
    x = 359,943,948,414,252,480/916,708,566.29
  6. Step 6: Final answer
    x = 392,648,178.12

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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.