Home / 916,708,568.16-1,375,108,458.66-261,756,772.32

Finding the Fourth Proportional to 916,708,568.16, 1,375,108,458.66 and 261,756,772.32

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Solution

The fourth proportional to 916,708,568.16, 1,375,108,458.66 and 261,756,772.32 is: 392,648,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,708,568.16 : 1,375,108,458.66 = 261,756,772.32 : x
  2. Step 2: Convert to fraction form
    916,708,568.16/1,375,108,458.66 = 261,756,772.32/x
  3. Step 3: Cross multiply
    916,708,568.16x = 1,375,108,458.66 × 261,756,772.32
  4. Step 4: Simplify right side
    916,708,568.16x = 359,943,951,728,771,776
  5. Step 5: Solve for x
    x = 359,943,951,728,771,776/916,708,568.16
  6. Step 6: Final answer
    x = 392,648,180.93

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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.