Home / 766,917,400.80-1,150,376,101.20-727,614,386.40

Finding the Fourth Proportional to 766,917,400.80, 1,150,376,101.20 and 727,614,386.40

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Solution

The fourth proportional to 766,917,400.80, 1,150,376,101.20 and 727,614,386.40 is: 1,091,421,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,917,400.80 : 1,150,376,101.20 = 727,614,386.40 : x
  2. Step 2: Convert to fraction form
    766,917,400.80/1,150,376,101.20 = 727,614,386.40/x
  3. Step 3: Cross multiply
    766,917,400.80x = 1,150,376,101.20 × 727,614,386.40
  4. Step 4: Simplify right side
    766,917,400.80x = 837,030,201,003,862,272
  5. Step 5: Solve for x
    x = 837,030,201,003,862,272/766,917,400.80
  6. Step 6: Final answer
    x = 1,091,421,579.60

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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.