Home / 1,020,473,179-1,407,501,133.39-769,588,143.82

Finding the Fourth Proportional to 1,020,473,179, 1,407,501,133.39 and 769,588,143.82

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Solution

The fourth proportional to 1,020,473,179, 1,407,501,133.39 and 769,588,143.82 is: 1,061,464,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,473,179 : 1,407,501,133.39 = 769,588,143.82 : x
  2. Step 2: Convert to fraction form
    1,020,473,179/1,407,501,133.39 = 769,588,143.82/x
  3. Step 3: Cross multiply
    1,020,473,179x = 1,407,501,133.39 × 769,588,143.82
  4. Step 4: Simplify right side
    1,020,473,179x = 1,083,196,184,670,156,416
  5. Step 5: Solve for x
    x = 1,083,196,184,670,156,416/1,020,473,179
  6. Step 6: Final answer
    x = 1,061,464,629.31

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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.