Home / 655,509,425.40-904,603,979.76-373,252,096.32

Finding the Fourth Proportional to 655,509,425.40, 904,603,979.76 and 373,252,096.32

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Solution

The fourth proportional to 655,509,425.40, 904,603,979.76 and 373,252,096.32 is: 515,088,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,509,425.40 : 904,603,979.76 = 373,252,096.32 : x
  2. Step 2: Convert to fraction form
    655,509,425.40/904,603,979.76 = 373,252,096.32/x
  3. Step 3: Cross multiply
    655,509,425.40x = 904,603,979.76 × 373,252,096.32
  4. Step 4: Simplify right side
    655,509,425.40x = 337,645,331,784,834,816
  5. Step 5: Solve for x
    x = 337,645,331,784,834,816/655,509,425.40
  6. Step 6: Final answer
    x = 515,088,446.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.