Home / 916,708,570.66-1,375,108,462.41-261,756,774.82

Finding the Fourth Proportional to 916,708,570.66, 1,375,108,462.41 and 261,756,774.82

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Solution

The fourth proportional to 916,708,570.66, 1,375,108,462.41 and 261,756,774.82 is: 392,648,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,708,570.66 : 1,375,108,462.41 = 261,756,774.82 : x
  2. Step 2: Convert to fraction form
    916,708,570.66/1,375,108,462.41 = 261,756,774.82/x
  3. Step 3: Cross multiply
    916,708,570.66x = 1,375,108,462.41 × 261,756,774.82
  4. Step 4: Simplify right side
    916,708,570.66x = 359,943,956,148,130,816
  5. Step 5: Solve for x
    x = 359,943,956,148,130,816/916,708,570.66
  6. Step 6: Final answer
    x = 392,648,184.68

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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.