Home / 1,347,023,175.40-2,019,023,108.70-765,036,231.40

Finding the Fourth Proportional to 1,347,023,175.40, 2,019,023,108.70 and 765,036,231.40

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Solution

The fourth proportional to 1,347,023,175.40, 2,019,023,108.70 and 765,036,231.40 is: 1,146,695,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,023,175.40 : 2,019,023,108.70 = 765,036,231.40 : x
  2. Step 2: Convert to fraction form
    1,347,023,175.40/2,019,023,108.70 = 765,036,231.40/x
  3. Step 3: Cross multiply
    1,347,023,175.40x = 2,019,023,108.70 × 765,036,231.40
  4. Step 4: Simplify right side
    1,347,023,175.40x = 1,544,625,830,189,360,640
  5. Step 5: Solve for x
    x = 1,544,625,830,189,360,640/1,347,023,175.40
  6. Step 6: Final answer
    x = 1,146,695,809.25

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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.