Home / 652,773,415.35-900,818,863.20-355,412,246.85

Finding the Fourth Proportional to 652,773,415.35, 900,818,863.20 and 355,412,246.85

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Solution

The fourth proportional to 652,773,415.35, 900,818,863.20 and 355,412,246.85 is: 490,464,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,773,415.35 : 900,818,863.20 = 355,412,246.85 : x
  2. Step 2: Convert to fraction form
    652,773,415.35/900,818,863.20 = 355,412,246.85/x
  3. Step 3: Cross multiply
    652,773,415.35x = 900,818,863.20 × 355,412,246.85
  4. Step 4: Simplify right side
    652,773,415.35x = 320,162,056,174,774,848
  5. Step 5: Solve for x
    x = 320,162,056,174,774,848/652,773,415.35
  6. Step 6: Final answer
    x = 490,464,299.93

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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.