Home / 1,043,853,886.16-1,566,391,395.90-389,257,142.48

Finding the Fourth Proportional to 1,043,853,886.16, 1,566,391,395.90 and 389,257,142.48

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Solution

The fourth proportional to 1,043,853,886.16, 1,566,391,395.90 and 389,257,142.48 is: 584,113,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,853,886.16 : 1,566,391,395.90 = 389,257,142.48 : x
  2. Step 2: Convert to fraction form
    1,043,853,886.16/1,566,391,395.90 = 389,257,142.48/x
  3. Step 3: Cross multiply
    1,043,853,886.16x = 1,566,391,395.90 × 389,257,142.48
  4. Step 4: Simplify right side
    1,043,853,886.16x = 609,729,038,763,514,112
  5. Step 5: Solve for x
    x = 609,729,038,763,514,112/1,043,853,886.16
  6. Step 6: Final answer
    x = 584,113,396.38

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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.