Home / 1,020,485,404.83-1,407,517,926.75-769,600,357.36

Finding the Fourth Proportional to 1,020,485,404.83, 1,407,517,926.75 and 769,600,357.36

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Solution

The fourth proportional to 1,020,485,404.83, 1,407,517,926.75 and 769,600,357.36 is: 1,061,481,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,485,404.83 : 1,407,517,926.75 = 769,600,357.36 : x
  2. Step 2: Convert to fraction form
    1,020,485,404.83/1,407,517,926.75 = 769,600,357.36/x
  3. Step 3: Cross multiply
    1,020,485,404.83x = 1,407,517,926.75 × 769,600,357.36
  4. Step 4: Simplify right side
    1,020,485,404.83x = 1,083,226,299,424,029,440
  5. Step 5: Solve for x
    x = 1,083,226,299,424,029,440/1,020,485,404.83
  6. Step 6: Final answer
    x = 1,061,481,422.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.