Home / 692,768,856-956,013,405.12-375,221,202.47

Finding the Fourth Proportional to 692,768,856, 956,013,405.12 and 375,221,202.47

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Solution

The fourth proportional to 692,768,856, 956,013,405.12 and 375,221,202.47 is: 517,801,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,768,856 : 956,013,405.12 = 375,221,202.47 : x
  2. Step 2: Convert to fraction form
    692,768,856/956,013,405.12 = 375,221,202.47/x
  3. Step 3: Cross multiply
    692,768,856x = 956,013,405.12 × 375,221,202.47
  4. Step 4: Simplify right side
    692,768,856x = 358,716,499,441,785,536
  5. Step 5: Solve for x
    x = 358,716,499,441,785,536/692,768,856
  6. Step 6: Final answer
    x = 517,801,134.30

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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.