Home / 1,444,658,420.70-2,166,987,631.05-354,141,488.70

Finding the Fourth Proportional to 1,444,658,420.70, 2,166,987,631.05 and 354,141,488.70

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Solution

The fourth proportional to 1,444,658,420.70, 2,166,987,631.05 and 354,141,488.70 is: 531,212,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,658,420.70 : 2,166,987,631.05 = 354,141,488.70 : x
  2. Step 2: Convert to fraction form
    1,444,658,420.70/2,166,987,631.05 = 354,141,488.70/x
  3. Step 3: Cross multiply
    1,444,658,420.70x = 2,166,987,631.05 × 354,141,488.70
  4. Step 4: Simplify right side
    1,444,658,420.70x = 767,420,225,654,533,376
  5. Step 5: Solve for x
    x = 767,420,225,654,533,376/1,444,658,420.70
  6. Step 6: Final answer
    x = 531,212,233.05

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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.