Home / 766,741,403.80-1,150,112,105.70-307,009,509.40

Finding the Fourth Proportional to 766,741,403.80, 1,150,112,105.70 and 307,009,509.40

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Solution

The fourth proportional to 766,741,403.80, 1,150,112,105.70 and 307,009,509.40 is: 460,514,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,741,403.80 : 1,150,112,105.70 = 307,009,509.40 : x
  2. Step 2: Convert to fraction form
    766,741,403.80/1,150,112,105.70 = 307,009,509.40/x
  3. Step 3: Cross multiply
    766,741,403.80x = 1,150,112,105.70 × 307,009,509.40
  4. Step 4: Simplify right side
    766,741,403.80x = 353,095,353,325,957,952
  5. Step 5: Solve for x
    x = 353,095,353,325,957,952/766,741,403.80
  6. Step 6: Final answer
    x = 460,514,264.10

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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.