Home / 412,947,486.80-619,421,230.20-238,369,118.30

Finding the Fourth Proportional to 412,947,486.80, 619,421,230.20 and 238,369,118.30

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Solution

The fourth proportional to 412,947,486.80, 619,421,230.20 and 238,369,118.30 is: 357,553,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,947,486.80 : 619,421,230.20 = 238,369,118.30 : x
  2. Step 2: Convert to fraction form
    412,947,486.80/619,421,230.20 = 238,369,118.30/x
  3. Step 3: Cross multiply
    412,947,486.80x = 619,421,230.20 × 238,369,118.30
  4. Step 4: Simplify right side
    412,947,486.80x = 147,650,892,499,075,360
  5. Step 5: Solve for x
    x = 147,650,892,499,075,360/412,947,486.80
  6. Step 6: Final answer
    x = 357,553,677.45

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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.