Home / 865,485,336.50-1,295,124,780.14-749,300,327.28

Finding the Fourth Proportional to 865,485,336.50, 1,295,124,780.14 and 749,300,327.28

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Solution

The fourth proportional to 865,485,336.50, 1,295,124,780.14 and 749,300,327.28 is: 1,121,263,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,485,336.50 : 1,295,124,780.14 = 749,300,327.28 : x
  2. Step 2: Convert to fraction form
    865,485,336.50/1,295,124,780.14 = 749,300,327.28/x
  3. Step 3: Cross multiply
    865,485,336.50x = 1,295,124,780.14 × 749,300,327.28
  4. Step 4: Simplify right side
    865,485,336.50x = 970,437,421,627,340,032
  5. Step 5: Solve for x
    x = 970,437,421,627,340,032/865,485,336.50
  6. Step 6: Final answer
    x = 1,121,263,851.28

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1.5x scale

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.