Home / 557,230,039.67-768,931,746.56-328,048,437.58

Finding the Fourth Proportional to 557,230,039.67, 768,931,746.56 and 328,048,437.58

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Solution

The fourth proportional to 557,230,039.67, 768,931,746.56 and 328,048,437.58 is: 452,679,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,230,039.67 : 768,931,746.56 = 328,048,437.58 : x
  2. Step 2: Convert to fraction form
    557,230,039.67/768,931,746.56 = 328,048,437.58/x
  3. Step 3: Cross multiply
    557,230,039.67x = 768,931,746.56 × 328,048,437.58
  4. Step 4: Simplify right side
    557,230,039.67x = 252,246,858,064,668,512
  5. Step 5: Solve for x
    x = 252,246,858,064,668,512/557,230,039.67
  6. Step 6: Final answer
    x = 452,679,934.87

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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.